\left. \begin{array} { l } { 0,8 \sqrt { 400 } + } \\ { + \frac { 1 } { 7 } \sqrt { 49 } } \end{array} \right.
Evaluate
17
Factor
17
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0,8\times 20+\frac{1}{7}\sqrt{49}
Calculate the square root of 400 and get 20.
16+\frac{1}{7}\sqrt{49}
Multiply 0,8 and 20 to get 16.
16+\frac{1}{7}\times 7
Calculate the square root of 49 and get 7.
16+1
Cancel out 7 and 7.
17
Add 16 and 1 to get 17.
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