How do you simplify #(4-2)^3-4*8+21div3#?

1 Answer
Apr 20, 2018

Answer:

#color(brown)(=> - 17#

Explanation:

https://www.thecalculatorsite.com/articles/units/how-does-pemdas-work.php

#(4-2)^3 - 4 * 8 + 21 / 3#

#=>2^3 - 4 * 8 + 21/3, " removing parantheses"#

#=> 8 - 4*8 + 21/3, " eliminating the exponent"#

#=> 8 - 32 + 21/3, " multiplying"#

#=> 8 - 32 + 7, " dividing"#

#=> 15 - 32, " adding"#

#=> - 17, " subtracting"#