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suter [353]
3 years ago
12

What is 8a^3b^-2 when a=4 and b=-5

Mathematics
2 answers:
Softa [21]3 years ago
7 0
8(4)^3=512 5^-2= 1/25
tiny-mole [99]3 years ago
5 0
8aa^{3} +3b-2
= 8x4^{3} -3x(-5)-2
= 64x8+15-2
=192+13
205

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