Question

What is the product of 8.2 × 109 and 4.5 × 10-5 in scientific notation?

Answer 1

(8.2 x 10^9) x (4.5 x 10^-5) = (8.2 x 4.5) x 10 ^(9 - 5) = 36.9 x 10^4 = 3.69 x 10^5

Answer 2

Explanation:

alright, lets get started.

there are two terms given as :

`8.2*10^9 and 4.5*10^(-5)`

8.2 and 4.5 can be multiplied together,

`36.9*10^9*10^(-5)`

exponents will be subtracted, so

`36.9*10^(9-5)`

`36.9*10^4`

Moving decimal one place further

`3.69*10^5` : answer

Hope it will help :)