Question

estimate the product. round the first factor to the nearest ten, round the second factor to the nearest hundred, and then multiply.
91 × 699
the product is approximately 63.

Explanation:

Step1: Round 91 to nearest ten

91 rounded to nearest ten is 90 (since 1 < 5, we round down).

Step2: Round 699 to nearest hundred

699 rounded to nearest hundred is 700 (since 99 ≥ 50, we round up).

Step3: Multiply the rounded numbers

Multiply 90 and 700: $90\times700 = 63000$

Answer:

63000