0 like 0 dislike

0 like 0 dislike
D

Step-by-step explanation:

a number expressed in standard form is

a × $$10^{n}$$ : 1 ≤ a < 10 and n is an integer

given

(7.5 × $$10^{7}$$ )(2 × 10³)

= 7.5 × 2 × $$10^{(7+3)}$$

= 15 × $$10^{10}$$

= 1.5 × $$10^{1}$$ ×$$10^{10}$$

= 1.5 × $$10^{(1+10)}$$

= 1.5 × $$10^{11}$$
by