How do you simplify #2^3-2^-5#?
1 Answer
Nov 18, 2016
Explanation:
#2^3=2xx2xx2=8#
#color(orange)"Reminder " color(red)(bar(ul(|color(white)(2/2)color(black)(a^-mhArr1/a^m)color(white)(2/2)|)))#
#rArr2^-5=1/2^5=1/32#
#rArr2^3-2^-5=8-1/32=7 31/32#
