use properties to justify that 8*13.1*0.5=52.4?

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use properties to justify that 813.10.5=52.4?

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2007-09-07 08:32:20 · 3 answers · asked by stephanie n 1 in Science & Mathematics ➔ Mathematics

(8)(13.1)(.5) = 52.4

It was unecessary to do anything!!

2007-09-07 08:40:12 · answer #1 · answered by ironduke8159 7 · 0⤊ 0⤋

8*13.1*0.5=52.4

13.1 *2 = 26.2
13.1*4 = 26.2*2 = 52.4
13.1*8*0.5
= 13.1*(8*0.5)
= 13.1*4
= 52.4

2007-09-07 08:40:52 · answer #2 · answered by vlee1225 6 · 0⤊ 0⤋

question is not clear.
Make more clear and post it again and I will help you.

2007-09-07 08:37:38 · answer #3 · answered by bharatmani777 1 · 0⤊ 0⤋