Question

Simplify: (5.4 x 103)(7.2 x 10-6)
3.888 x 1017
3.888 x 10-3
3.888 x 10-2
3.888 x 1010

Answer 1

First Multiply 5.4 x 7.2

Answer 2

Then multiply \( \large 10^3 \times 10^{-6} \)

Answer 3

is it the last one

Answer 4

for that use this formula

\[\Large x^m \times x^n = x^{m+n}\]

for example

\[\Large 10^2 \times 10^7 = 10^{2+7} =10^9\]

Answer 5

so im i right

Answer 6

How did you get that?

Answer 7

I simplify it is the answer wrong

Answer 8

Last one is not the answer

if you show me your work i can tell you where you went wrong