k = 7 * 9 = 63
481 - k = 481 - 63 = 418
No need to estimate. Just calculate the exact value.
481 − k
= 481 − 7 × 9 (for k = 7 × 9)
= 418
We don't know what the "problem" is, nor what the "estimate" is.
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k = 7 * 9 = 63
481 - k = 481 - 63 = 418
No need to estimate. Just calculate the exact value.
481 − k
= 481 − 7 × 9 (for k = 7 × 9)
= 418
We don't know what the "problem" is, nor what the "estimate" is.