Question

Perform the operation. Enter your answer in scientific notation.

8 × 107 − 5.2 × 107 =

Answer 1

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the "10" . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

Answer: 2.996 × 10 ^2

Explanation: