Question

Estimate by rounding the first factor to the nearest ten. Then enter the product.

77 × 5


The estimate is _______


The product is ________

Answer 1

The estimate is 390 while the real product is 385

Answer 2

estimate - 400

product - 385

Explanation:

estimate - 77 rounds up to 80

80*5=400

product - 70*5=350

7*5=35

350+35=385