Estimate the product by rounding off to nearest tens
a) 33 x 81 b) 419 x 120 c) 115 x 332
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Step-by-step explanation:
1.33=30
81=80
30*80=2400
2.419=420
120=120
420*120=50400
3.115=120
332=330
120*330=42600
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