Question
Estimate the product by rounding each factor to its highest place:
$53 \times 172$
$53 \times 172$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| h | min | s | |
| $6$ | $40$ | $31$ | |
| + | $6$ | $10$ | $20$ |
