Calculate: sqrt(9)-sqrt(4)-sqrt(0)

Expression: $\sqrt{ 9 }-\sqrt{ 4 }-\sqrt{ 0 }$

Evaluate the square root

$3-\sqrt{ 4 }-\sqrt{ 0 }$

Evaluate the square root

$3-2-\sqrt{ 0 }$

Any root of $0$ equals $0$

$3-2-0$

Removing $0$ doesn't change the value, so remove it from the expression

$3-2$

Subtract the numbers

$1$