Question

What is the product written in scientific notation?



(2.1 × 10–2)(3.2 × 10–4)

Answer 1

A.

6.72 × 108








B.

6.72 × 10–6








C.

5.3 × 102








D.

5.3 × 10–6

Answer 2

\[\large \sf (2.1 \times 3.2) \times (10^{-2} \times 10^{-4})\]

Answer 3

Multiply the two numbers together.

What's 2.1×3.2?

Answer 4

6.72

Answer 5

And if they have the same base, you just add the exponents together. \[\large \sf a^{x} \times a^{y} = a^{x+y}\]

Answer 6

Yep, now add the exponents:

Answer 7

hold up i'm typing them in