Question

Equation Below


A. 4.4 x 10^6

B. 4.4 x 10^8

C. 3.8 x 10^8

D. 3.8 x 10^6

Answer 1

Multiply
\[(3.2∗10^2 )(1.2∗10^4 )=\]

Answer 2

when multiplying,
\[10^a * 10^b = 10^{a+b}\]

Answer 3

here we have two choices
either simplify each term then multiply
or we can multiply 3.2*1.2 alone and 10^2 * 10^4 alone to stay in scientific notation

Answer 4

so it would be
\[(3.2 * 1.2)(10^2*10^4)\]

Answer 5

what will we get then ?

Answer 6

D.?

Answer 7

correct