0,8 \cdot \sqrt { 400 } + 7 \cdot \sqrt { 49 }
Evaluate
65
Factor
5\times 13
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0,8\times 20+7\sqrt{49}
Calculate the square root of 400 and get 20.
16+7\sqrt{49}
Multiply 0,8 and 20 to get 16.
16+7\times 7
Calculate the square root of 49 and get 7.
16+49
Multiply 7 and 7 to get 49.
65
Add 16 and 49 to get 65.
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