Question

спростіть вираз 2а^-4 б^6*4.5^-2 б^-6

Answer 1

$2a {}^{ - 4} b {}^{6} \times 4.5 {}^{ - 2} b {}^{ - 6} = \\ \\ = \frac{2b {}^{6} }{a {}^{4} \times 4.5 {}^{2} \times b {}^{6} } = \frac{2}{4.5 {}^{2} a {}^{4} } = \\ \\ = \frac{8}{81} a {}^{ - 4}$