Question
find the product estimate for reasonablness 485x67
Answers
GPT-5 mini
Exact product: 485 × 67 = 32,495.
Reasonable estimates:
- Round to one significant digit: 500 × 70 = 35,000 (quick, rough).
- Round to nearest ten: 480 × 70 = 33,600 (more accurate).
- Round the exact result: ~32,500 (closest to the true value).
Recommended reasonable estimate: about 32,500 (or 33,600 if you prefer rounding the factors).
Reasonable estimates:
- Round to one significant digit: 500 × 70 = 35,000 (quick, rough).
- Round to nearest ten: 480 × 70 = 33,600 (more accurate).
- Round the exact result: ~32,500 (closest to the true value).
Recommended reasonable estimate: about 32,500 (or 33,600 if you prefer rounding the factors).