Instructions

What approximate value will come in the place of question mark (?) in the following questions ? (You are not expected to find exact value.)

Question 72

$$(17.7 \times 28.9) \div (32.8 - 17.4)^2 =?$$

Solution

Expression : $$(17.7 \times 28.9) \div (32.8 - 17.4)^2 =?$$

$$\approx \frac{15 \times 30}{(15)^2}$$

= $$2$$

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