https://www.khanacademy.org/math/class-7-tg/x476671d9fb9d8978:powers-and-exponents/x476671d9fb9d8978:expressing-large-numbers-in-standard-form/v/getting-a-sense-for-large-numbers 2026-01-16T10:30:37.091019215Z Getting a Sense for Large Numbers In this video, we dive into the fascinating world of large numbers and explore how they explode when powers of 10 come into play. Starting with simple examples, we show how exponential growth rapidly scales from everyday quantities to unimaginably huge figures. Using time as a relatable anchor—seconds, minutes, years—we reveal how quickly numbers like 10^6, 10^9, and 10^15 grow beyond human comprehension. You'll see how a million seconds is just under two weeks, but a trillion seconds stretches back over 30,000 years! We also introduce mind-bending numbers like a googol (10100) and discuss why exponential growth is so powerful—and so surprising. Perfect for curious minds trying to grasp the true scale of large numbers. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Getting a Sense for Large Numbers In this video, we dive into the fascinating world of large numbers and explore how they explode when powers of 10 come into play. Starting with simple examples, we show how exponential growth rapidly scales from everyday quantities to unimaginably huge figures. Using time as a relatable anchor—seconds, minutes, years—we reveal how quickly numbers like 10^6, 10^9, and 10^15 grow beyond human comprehension. You'll see how a million seconds is just under two weeks, but a trillion seconds stretches back over 30,000 years! We also introduce mind-bending numbers like a googol (10100) and discuss why exponential growth is so powerful—and so surprising. Perfect for curious minds trying to grasp the true scale of large numbers. https://cdn.kastatic.org/ka-youtube-converted/7iIOKO_wfsI.mp4/7iIOKO_wfsI.mp4 309 Powers of 10 https://www.khanacademy.org/science/strengthened-shs-chemistry-1/x174677b2bfa4bea2:1st-quarter/x174677b2bfa4bea2:scientific-notations/v/introduction-to-scientific-notation-indian-accent 2025-06-06T15:33:38.563209632Z Introduction to scientific notation Introduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Introduction to scientific notation Introduction to scientific notation. An in-depth discussion about why and how scientific notation is used. https://cdn.kastatic.org/ka-youtube-converted/yS-PXokT7tI.mp4/yS-PXokT7tI.mp4 1247 Powers of 10 https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-scientific-notation/v/scientific-notation-i 2021-06-21T15:29:05Z Scientific notation example: 0.0000000003457 Can you imagine if you had to do calculations with very, very small numbers? How would you handle all those zeros to the right of the decimal? Thank goodness for scientific notation! Sal Khan video https://cdn.kastatic.org/googleusercontent/jFNy2bjU_nzHncfxuSOfq0fYkZSqu0vK80qD9I-SM1qhDJZoi3olmo1qRDVAQgd1Zv4sH2QfBtIRytExKFVD_JXt Scientific notation example: 0.0000000003457 Can you imagine if you had to do calculations with very, very small numbers? How would you handle all those zeros to the right of the decimal? Thank goodness for scientific notation! https://cdn.kastatic.org/ka-youtube-converted/6phoVfGKKec.mp4/6phoVfGKKec.mp4 252 Powers of 10 https://www.khanacademy.org/math/revision-term-1-mh-math-class-7/x0bdc8a5f9d8ec377:week-3/x0bdc8a5f9d8ec377:indices/v/scientific-notation-examples-indian-accent 2025-06-06T15:33:38.563209632Z Scientific notation examples More scientific notation examples Kalakrit (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Scientific notation examples More scientific notation examples https://cdn.kastatic.org/ka-youtube-converted/iWHGFEogFAw.mp4/iWHGFEogFAw.mp4 768 Powers of 10 https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-scientific-notation/e/scientific_notation 2026-03-31T21:47:15.031073863Z Scientific notation Practice expressing numbers in scientific notation. Omar Rizwan exercise