which number is the best estimate for 31 × 81? 30,000 8,000 2,400 300
which number is the best estimate for 31 × 81? 30,000 8,000 2,400 300
Answer
Explanation:
Step1: Round the numbers
Round (31) to (30) and (81) to (80).
Step2: Calculate the product
(30\times80 = 2400)
Answer:
(2400)