Question

How many significant figures are in the following number? (1.080 x 1012)

Answer 1

10 to the 12th power is what its suppose to say

Answer 2

For properly written scientific notation, that is when the mantissa (number before the x 10^(something) is greater than 1 but less than 10, all you ever need to do is count the digits in the mantissa. That gives you the number of sig figs.

Answer 3

what is a mantissa?

Answer 4

oh sorry. nevermind- thank you