How do you simplify #5^2 - 2^4#?

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Answer 1 · 2015-11-01T12:33:27

Just work out the powers and subtract

#5^2=25and 2^4=16->#
#25-16=9#

Answer 2 · 2015-11-01T12:35:30

#5^2 - 2^4= color(green)(9#

#5^2 = 5 times 5 = 25#

#2^4 = 2 times 2 times 2 times 2 = 16#

#5^2 - 2^4 = 25 - 16 = color(green)(9#