Instructions

What approximate value should come in place of the question mark ? in the following question (Note.You are not expected to calculate the exact value.)

Question 59

$$23.003\times 22.998+100.010=?$$

Solution

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In order to approximate the value of the expression $$23.003\times 22.998+100.010$$, let us approximate the individual values first.

$$23.003 \approx 23$$ and $$22.998 \approx 23$$ and $$100.010 \approx 100$$

So, the approximate value of the expression becomes $$23 \times 23 + 100 = 529 + 100 = 629 \approx 630$$

Hence, the correct option is option (a)

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