Question

What is the product written in scientific notation?

(2.1 × 10–2)(3.2 × 10–4)

A.
6.72 × 108

B.
6.72 × 10–6

C.
5.3 × 102

D.
5.3 × 10–6

Answer 1

This Is My Semester Test Prt.1

Answer 2

@iGreen

Answer 3

Multiply the two numbers together.

What's \(2.1 \times 3.2\)?

Answer 4

it is 6.72

Answer 5

sorry i was telling my mom something

Answer 6

Yep, now add the exponents:

\(10^{-2} \times 10^{-4} = 10^{-2+-4}\)

Answer 7

ok hold on and i will

Answer 8

do i add 0.000001+-399/100?

Answer 9

hello?

Answer 10

Huh?

You just add -2 + -4

Answer 11

o ok

Answer 12

-6

Answer 13

ok.. soo what next?

Answer 14

Yep, so that gives us \(10^{-6}\).

Answer 15

ok

Answer 16

So we have:

\(6.72 \times 10^{-6}\)

Answer 17

can you help with 13 more?

Answer 18

Yikes, that's a lot, I think I should be able to help with some, but not all of them..

Answer 19

ok hold on

Answer 20

it wont let me post it

Answer 21

solve. 4/7 t =4 t=

Answer 22

is it 7?

Answer 23

Huh?

Answer 24

4/7 * 7 is 4 right