panda52
panda52
05-10-2016
Mathematics
contestada
What is 8a^3b^-2 when a=4 and b=-5
Respuesta :
Leviticus
Leviticus
05-10-2016
8(4)^3=512 5^-2= 1/25
Answer Link
Ckaranja
Ckaranja
05-10-2016
8a[tex] a^{3} +3b-2[/tex]
= 8x[tex] 4^{3} -3x(-5)-2[/tex]
= 64x8+15-2
=192+13
205
Answer Link
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