No.
1/10 = .1
2/5 = .4
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four fifths plus seven tenths is a very easy "equation" to solve. First you convert 4/5 into 8/10. Second you add 8+7 since you are adding. Lastly, since 8+7=15 the answer is 15/10. 15/10 is equal to 1 and 5/10 or 1 and 1/2 the answer is 1 & 1/2
I say yes. 8/10 divide by 2=4/5
Expressed as a mixed number in its simplest form, 2.4 is equal to 2 2/5 or two and two fifths. As a improper fraction it is 12/5
1 fifth of ten is 2 * 4 is 8
No Actually... x^(-y) is equal to 1/x^y. 2^(-2) is equal to 1/2^2 which is equal to 1/4 or 0.25.