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What is 12×10^n and 0.6x10^n in standard form

Hi my teacher never taught us how to do standard form algebra but she set us homework with a questions I have no idea how to do.Screenshot 2022-03-26 at 10.07.53 AM.png
(edited 1 year ago)
Reply 1
Standard form would be a number 1 < x < 10 multiplied by a power of 10. So:
(a) would be 1.2 x 10(to the power of something)
(b) would be 6 x 10(to the power of something).

Note that 12 = 1.2 x 10, so 12 x 10^n = 1.2 x 10 x 10^n = ...etc
(edited 1 year ago)

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