Question

What is (6.648 x 10 to the power of 9) - (2.9 x 10 to the power of 7) in scientific notations

Answer 1

=6590000000 or 6.59 x 10^9 (^ raises the number as an exponent)

Explanation:

=(6.648 x 10 to the power of 9) - (2.9 x 10 to the power of 7)

or we could just expand the numbers

like,

= 6619000000- 29000000

and then calculate to get the answer which equals 6590000000 or 6.59 x 10^9 when written in a scientific form