Question
Fill in the blanck: $(0.7)^2$ = ______.

Answer

$(0.7)^2=\underline{0.49}$
$(0.7)^2=0.7 \times 0.7$
First, we will find the product $0.7 \times 0.7$
Now, $7 \times 7=49$
Sum of decimal places in the given decimals $=(1+1)=2$
So, the product must have two decimal places
$(0.7)^2=0.7 \times 0.7=0.49$

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