Question

Use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places. (6.5 · 10^3) · (1.5 · 10^7)

Answer 1

This is the answer I got 9.75 * 10^10
.000975 * 10^22

Answer 2

ok...so you already know how to multiply like powers.
so this would be 6.5*1.5 * 10^(3+7)

Answer 3

that is correct...but why the need to write it in non-scientific form for the second one?

Answer 4

I don't know wasn't sure how it was supposed to look

Answer 5

so the first problem is correct