Which shows the expression below simplified?

(2.2 x 10^-1) + (2.3 x 10^-2)

Hint: You must have the same power of 10 before you can add.

A) 2.43 x 10^-2

B) 4.5 x 10^-1

C) 4.5 x 10^-2

D) 2.43 x 10^-1

Question

6 March, 00:34

+4

Answers (1)

Know the Answer?

Joe Skinner · Answer 1

(2.2x10^-1) = 22x10^-2

(22x10^-2) + (2.3x10^-2) = 24.3x10^-2

=2.43x10^-1

Therefore, the answer is D

Which shows the expression below simplified?(2.2 x 10^-1) + (2.3 x 10^-2)Hint: You must have the same power of 10 before you can add.A) 2.43 x 10^-2B) 4.5 x 10^-1C) 4.5 x 10^-2D) 2.43 x 10^-1