find 0.078 - (5.2 times 10^-3). express the answer in scientific notation

1 answer

0.078 - (5.2 × 10^-3) can be simplified to 0.078 - 0.0052.

Subtracting these two numbers, we get 0.0728.

To express this answer in scientific notation, we can write 0.0728 as 7.28 × 10^-2.