Find 0.078 - (5.2 × 10^-³). Express your answer in scientific notation. Do not round your answer.

Question

□×10^-2

Answer 1

0.078 - (5.2 × 10^-³) can be rewritten as 0.078 - 0.0052.

Subtracting these two values gives us 0.0728.

Expressing 0.0728 in scientific notation, we get 7.28 × 10^-2.