brewwkill brewwkill

24-03-2016
Mathematics

Answered

(9/10 - 2/5)-2/5(1/2) to the second power

Verified Answer :

Anonymous Anonymous

24-03-2016

(1/2) to the second power means (1/2)^2. So we need to solve.
(9/10 - 2/5)-2/5(1/2)^2=(9/10-4/10)-2/54=5/10-2/20=10/20-2/20=8/20=4/10=0.4

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