Question

Please Help me pretty pLEASE!!!!


What is (2.1 × 103) × (4 × 10–7)?




A.
8.4 × 10–4

B.
8.4 × 10–3

C.
8.4 × 103

D.
8.4 × 104

Answer 1

@zubhanwc3 Help?

Answer 2

Anyone?

Answer 3

yes... its simple...

Answer 4

I don't see

Answer 5

Could you walk me through it?

Answer 6

just multiply 2.1 with 4.... ok....

Answer 7

so A

Answer 8

and power will be 10^3 and 10^-7... so it will be 10^-4...

Answer 9

yeah its A...

Answer 10

Thank you.

Answer 11

pleasure