Question
142.07 + 21.89 β (128.12 Γ· 7.81 β 12.09 Γ 6.98) =
? 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, 142.07 + 21.89 β (128.12 Γ· 7.81 β 12.09 Γ 6.98) = ? 142 + 22 β (128 Γ· 8 β 12 Γ 7) ~ ? 164 β (16 β 84) ~ ? 164 β (- 68) ~ ? 232 ~ ?
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