https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-multiply-and-divide/x6b17ba59:powers-with-rational-bases/v/exponents-with-negative-bases 2021-06-28T22:10:43Z Exponents with negative bases Learn to what we know about negative numbers to determine how negative bases with exponents are affected and what patterns develop. Also learn how order of operations affect the pattern. Sal Khan video https://cdn.kastatic.org/googleusercontent/a2tKMz7K_pqMVl5ES3myFKpudTzatti6A_9XmyQTIjF4JwVmtMjck4aIqa3npF_ynimwPfgJ9g1meLlSKb4K4RtfwA Exponents with negative bases Learn to what we know about negative numbers to determine how negative bases with exponents are affected and what patterns develop. Also learn how order of operations affect the pattern. https://cdn.kastatic.org/ka-youtube-converted/vEZea0EThus.mp4/vEZea0EThus.mp4 270 Potencia de base racional y exponente entero	Exponentes con bases negativas https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-multiply-and-divide/x6b17ba59:powers-with-rational-bases/e/exponents_1.5 2023-08-15T19:39:37.8354858Z Exponents with integer bases Practice raising positive and negative numbers (integers only) to whole number powers. Watch out for mischievous negative signs that aren't really part of the base! exercise https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/exponents-with-negative-bases/v/raising-a-number-to-the-0th-and-1st-power 2023-05-12T21:01:01.897246564Z The 0 & 1st power Different ways of thinking about exponents. Raising a number to an exponent means multiplying that number by itself a certain number of times. Any non-zero number raised to the zero power will be equal to one, and that any number raised to the first power will be equal to itself. Sal Khan video https://cdn.kastatic.org/googleusercontent/Tk3OcA1ulsfu6F-vKeAMdOvgg97IvBtRoHAPtxA0GuSbGeV3O5P1TpO8nKW7P-m6WIxoseCyZnHfFwtbTL_sNObL The 0 & 1st power Different ways of thinking about exponents. Raising a number to an exponent means multiplying that number by itself a certain number of times. Any non-zero number raised to the zero power will be equal to one, and that any number raised to the first power will be equal to itself. https://cdn.kastatic.org/ka-youtube-converted/dAvosUEUH6I.mp4/dAvosUEUH6I.mp4 307 Potencia de base racional y exponente entero	Exponentes con bases negativas https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-multiply-and-divide/x6b17ba59:powers-with-rational-bases/e/exponents-with-negative-fractional-bases 2021-04-29T07:51:33Z Exponents with negative fractional bases Practice raising fractions to whole number powers. Fractions in these problems may be positive or negative. Ben exercise https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/exponents-with-negative-bases/v/multiplying-and-dividing-even-and-odd-numbers-of-negatives 2021-02-07T17:14:01Z Even & odd numbers of negatives We can figure out whether multiplication and division problems give us a positive or negative result by thinking about how many negative numbers are used in the computation. video https://cdn.kastatic.org/googleusercontent/V6dhDYSrzrdFTBI4RQo19XTivK1tLuCYzPHiravaXmCbAPPYfvz9n1_ZZiTrQ3qTYq9yIPUu2YywSE-KzrCGbCzimw Even & odd numbers of negatives We can figure out whether multiplication and division problems give us a positive or negative result by thinking about how many negative numbers are used in the computation. https://cdn.kastatic.org/ka-youtube-converted/XHHYA2Ug9lk.mp4/XHHYA2Ug9lk.mp4 426 Potencia de base racional y exponente entero	Exponentes con bases negativas https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-negative-numbers-multiply-and-divide/x6b17ba59:powers-with-rational-bases/v/powers-of-1-and-1 2023-05-08T07:03:29.632031759Z 1 and -1 to different powers Different exponents affect the value of a number: when raised to the power of zero, any number equals one; when raised to an even power, negative numbers yield positive results; and when raised to an odd power, negative numbers yield negative results. Sal Khan video https://cdn.kastatic.org/googleusercontent/4OCD6YX2YEBlDGqItYvuG7PEm66SOugJFqS7YWc4D_n64RH5vp9K4nrh0W3C0ZQJbInEj6O6CAOAn3JAC7S3PsP5 1 and -1 to different powers Different exponents affect the value of a number: when raised to the power of zero, any number equals one; when raised to an even power, negative numbers yield positive results; and when raised to an odd power, negative numbers yield negative results. https://cdn.kastatic.org/ka-youtube-converted/jYOfMszfzAQ.mp4/jYOfMszfzAQ.mp4 368 Potencia de base racional y exponente entero	Exponentes con bases negativas https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/exponents-with-negative-bases/v/thinking-about-the-sign-of-expressions 2021-02-07T17:14:01Z Sign of expressions challenge problems Some examples that test our understanding of what happens when we multply or divide a bunch of positive or negative numbers. video https://cdn.kastatic.org/googleusercontent/oAvnzFagxkXD7GkCWEh1DHSgfiSxVliDuvluNL0FgNo9reg6egUf_9ILXykcz96mASY0fdVn4N_ns026quFsnUZt Sign of expressions challenge problems Some examples that test our understanding of what happens when we multply or divide a bunch of positive or negative numbers. https://cdn.kastatic.org/ka-youtube-converted/Pms4cBWwPSU.mp4/Pms4cBWwPSU.mp4 519 Potencia de base racional y exponente entero	Exponentes con bases negativas https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/exponents-with-negative-bases/e/multiply-and-divide-rational-numbers 2023-12-11T22:13:00.981327266Z Signs of expressions challenge Practice finding the signs of the answers to complex multiplication and division problems involving exponents. Rhonda Hughes exercise https://www.khanacademy.org/math/cc-sixth-grade-math/x0267d782:cc-6th-exponents-and-order-of-operations/x0267d782:powers-of-whole-numbers/v/the-zeroth-power 2022-11-16T04:22:43.7414897Z The zeroth power Sal Khan considers two different ways to think about why a number raised to the zero power equals one: 1) if 2^3 = 1x2x2x2, then 2^0 = 1 times zero twos, which equals 1. 2) By following a pattern of decreasing an exponent by one by dividing by the base, we find that when we get to the 0 power, we end up dividing the base by itself, resulting in 1. video https://cdn.kastatic.org/googleusercontent/dva64s1lFcGY7oM0eAL8tNvthG-waZS4kuSx8SuVi06W4aHiU2jXygN0EZpBhMMwr_Frq7UheeqtjfBZzWeilWL7 The zeroth power Sal Khan considers two different ways to think about why a number raised to the zero power equals one: 1) if 2^3 = 1x2x2x2, then 2^0 = 1 times zero twos, which equals 1. 2) By following a pattern of decreasing an exponent by one by dividing by the base, we find that when we get to the 0 power, we end up dividing the base by itself, resulting in 1. https://cdn.kastatic.org/ka-youtube-converted/TWv6f7rwjF4.mp4/TWv6f7rwjF4.mp4 272 Potencia de base racional y exponente entero	Exponentes con bases negativas https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/e/multiply-powers 2025-02-10T09:17:49.615690606Z Multiply powers Rewrite products of powers with the same base. For example, x²⋅x⁵ can be written as x⁷. Tome Gal exercise