n0vac4t n0vac4t
  • 02-11-2018
  • Mathematics
contestada

Evaluate: 2^-2 x (13x3)-5^3

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-11-2018

2^-2 x (13x3)-5^3

1/ (2^2) * 39 - 125

1/4 *39 -125

39/4 -125

9 3/4 - 125

factor out -1

- (125-9 3/4)

borrow to subtract the fraction

- (124 4/4 - 9 3/4)

- (115 1/4)

-115 1/4

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tiffanyloveskiouwkpk
tiffanyloveskiouwkpk tiffanyloveskiouwkpk
  • 02-11-2018

Answer:

-115.25

2^-2 x (13x3)-5^3

2^-2 x (39)- 5^3

2^-2 x (39)- 125

0.25 x (39) - 125

9.75 - 125

-115.25




Answer Link

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