Answer:
3
Step-by-step explanation:
(( 4^4 -2) *1 ÷2+20)
--------------------------------
3^4 - (2^4 *2)
lets do the numerator first
(( 4^4 -2) *1 ÷2+20)
inside parenthesis
4^4-2
256-2
254
replace
(( 254) *1 ÷2+20)
multiply and divide from left to right
254 ÷2+20
127 +20
now add and subtract
147
replace
147
--------------------------------
3^4 - (2^4 *2)
now the denominator
parenthesis first
3^4 - (16*2)
3^4 -32
81-32
49
now replace
147
------
49
=3
