Evaluate: f(x)=sqrt(x-10)

Expression: $344 \times 4$

Write $344$ as a sum

$\left( 300+40+4 \right) \times 4$

Distribute $4$ through the parentheses

$300 \times 4+40 \times 4+4 \times 4$

Multiply the numbers

$1200+40 \times 4+4 \times 4$

Multiply the numbers

$1200+160+4 \times 4$

Multiply the numbers

$1200+160+16$

Calculate the sum of the positive numbers

$1376$