Question

Find the simplified form of the expression. Give your answer in scientific notation. (9 x 10 5)(6 x 10 -7) A. 5.4 x 10 -34 B. 1.5 x 10 -1 C. 5.4 x 10 -1 D. 1.5 x 10 -34

Answer 1

(9 x 10^5)(6 x 10^-7) ?

9 x 6 = 54

10^5 x 10^-7 = 10^-2

so
(9 x 10^5)(6 x 10^-7)
= 54 x 10^-2
=5.4 x 10^-1

answer is C. 5.4 x 10 -1
hope that helps