1 answer

How do you simplify #2^3-2^-5#?

Question:

How do you simplify #2^3-2^-5#?

Answers

#7 31/32#

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#

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