Question
79.95 × 25.001 – 20.001 × 129.90 + 839.99 =
? What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.Solution
ATQ, 79.95 × 25.001 – 20.001 × 129.90 + 839.99 = ? 80 × 25 – 20 × 130 + 840 ~ ? 2000 – 2600 + 840 ~ ? ? ~ 240
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