Question

How to work out this without a calculator.

Answer 1

Answer:

it depends on what type you have, but if it is a graphing calculator I can help you out

Step-by-step explanation:

Press math

4

then type 12

use the carrot sign (above the division sign)

then press 2

move the key then type -

last type 19 and enter

Answer 2

$\sqrt[3]{ {12}^{2} - 19 }$

$= \sqrt[3]{144 - 19}$

$= \sqrt[3]{125}$

$= \sqrt[3]{ {5}^{3} }$

$= {5}^{ \frac{3}{3} }$

$= 5$

is right answer