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Simplify 81-3/4×251/2×2432/5 A: 2/5 B: 3/5 C...
utme-mathematics-2019 jamb jamb-2019 jamb-mathematics-2019 math
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Simplify 81-3/4×251/2×2432/5

A: 2/5

B: 3/5

C:  5/2

D:  5/3

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adeb
Asked by adebrep:517
School not set Nigeria
24 August 2020

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judziy
Judziy answeredrep:2.1K
University of Benin Nigeria
31 August 2020
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81-3/4 × 251/2 × 2432/5 ------------ eqn(1)

81-3/4 = 1 / 813/4 = 1 / 4√813 = 1 / 33 = 1/27

251/2 = √25 = 5

2432/5 = 5√2432 = 32 = 9

eqn(1) becomes:

1/27 x 5 x 9

= 45/27

= 5/3

Answer: D

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