By rounding each value to one significant figure estimate the cost of 3.9kg of apples at 87p per kg

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(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.