Question
Estimating Products
Estimate the product of 115 x 9.
Round the factors.
115 -> _
9 -> 10
Multiply the first digits.
1 x 1 = _
There are three zeros in the factors, so we place three zeros at the end of the prodect.
1,000
Estimate the product of 115 x 9.
Round the factors.
115 -> _
9 -> 10
Multiply the first digits.
1 x 1 = _
There are three zeros in the factors, so we place three zeros at the end of the prodect.
1,000
Answers
There are no human answers yet.
Answered by
GPT-4o mini
Your estimation process is close, but let's clarify a bit:
1. Round the factors:
- 115 rounds to 120 (since it's closer to 120 than to 100).
- 9 rounds to 10.
2. Multiply the rounded factors:
- \( 120 \times 10 \).
3. Calculate:
- \( 120 \times 10 = 1,200 \).
So the estimated product of 115 x 9 is approximately **1,200**.
1. Round the factors:
- 115 rounds to 120 (since it's closer to 120 than to 100).
- 9 rounds to 10.
2. Multiply the rounded factors:
- \( 120 \times 10 \).
3. Calculate:
- \( 120 \times 10 = 1,200 \).
So the estimated product of 115 x 9 is approximately **1,200**.
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