Question 20

A boy was asked to write the value of $$(2)^5 \times (8)^2$$. He wrote it as 2582. Find the difference between the obtained and the actual value.

Solution

$$ 2^5 \times 8^2 = 32 \times 64 = 2048 $$

actual value = 2048

obtained value = 2582

difference = 2582 - 2048 = 534


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