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Lesson 3: Powers of 10

# Using exponents with powers of 10

Explore the concept of multiplying by powers of 10. Learn about the pattern of adding zeros when multiplying by 10 and the use of exponents as a shorthand for repeated multiplication. Discover the connection between the number of times 10 is multiplied and the number of zeros in the product. Created by Sal Khan.

## Want to join the conversation?

• Where are exponents in the order of operations?
• Sorry, I realize I´m 2 years late.
But for those who need help, there are two ways of remembering the order of operations:

Excuse (Exponents)
My (Multiplication)
Dear (Division)
Sally (Subtraction)

or

Pour (Parentheses)
Everyone (Exponents)
My (Multiplication)
Delicious (Division)
Sauce (Subtraction)

Use whichever is better for you! Hope this helped!
• bro forgot 10 to the power of 5 how sad
• The answer is 10x10x10x10x10 which is equal to 100,000.
10x10x10x10x10 = 100,000
• What is 15.023 multiple by 10-2
• that would be 1502.3
• Why can't you just do 10 x 6 instead of doing 10 x 10 x 10 x 10 x 10 x 10...?
• 10 x 6 = 60, while
10 x 10 x 10 x 10 x 10 x 10 = 1,000,000
They both give very different answers.
• so if you 10x10x10=1000 and like 10x10x10x10x10=1000,000
• This is so easy i all ready get it who know how to do this good easy work!
• I think I might know a different way if I can remember.