# Question #7b5d6

##### 1 Answer

#### Answer:

#### Explanation:

**A and C:** When adding or subtracting, look for the number with the fewest decimal places and round the result to the same number of decimal places.

**Note on C:** When adding numbers in scientific notation, the exponents must be the same.

**B and D:** When multiplying or dividing, look for the number with the fewest significant figures and round the answer to the same number of significant figures.

**Note on D:** The answer was