Question

Find the value of each expression.

A) 3√9-16

B) -7√0.36+5.4

Answer 1

• A.)

$3 \sqrt{9} - 16 = ... \\ = 3(3) - 16 = 9 - 16 \\ = \bold{ - 5}$

$\:$

• B.)

$- 7 \sqrt{0.36} + 5.4 = ... \\ = - 7(0.6) + 5.4 = - 4.2 + 5.4 \\ = 5.4 - 4.2 = \bold{1.2}$