Mathematics, 26.10.2020 05:00, jstoners

LaVonne estimated 38% of 63 by rounding 38% up to 40%, rounding 63 up to 70, and then multiplying 70 by 0.4 to get 28. Is her estimate reasonable? No, because she should have rounded 38% down to 30%.
No, because she should have rounded 63 down to 60.
Yes, because she correctly rounded 38% up to 40%.
Yes, because she correctly rounded 63 up to 70.

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LaVonne estimated 38% of 63 by rounding 38% up to 40%, rounding 63 up to 70, and then multiplying 70...