Question

25 × t^-4 / 5^-3 × 10 × t^-8(t≠0)

Answer 1

$⟹ \frac{25 \: \times \: t {}^{ - 4} }{5 {}^{ - 3 } \times \: 10 \: \times \: t {}^{ - 8} } \\⟹ \frac{25 \: \times \: \frac{1}{t {}^{ 4} } }{ \frac{1}{5 {}^{3} } \: \times 10 \times \frac{1}{t }{ {}^{8} } } \\ ⟹\frac{ \frac{25}{t {}^{4} } }{ \frac{1}{125 \: \times \: 10 \: \times \: \frac{1}{t {}^{8} } } } \\ ⟹ \frac{ \frac{25}{t {}^{4} {} } }{ \frac{2}{25 \: \times \frac{1}{t {}^{8} } } } \\ ⟹ \frac{ \frac{25}{t {}^{4} } }{ \frac{2}{25t {}^{8} } } \\⟹ \frac{25}{t {}^{4} } \times \frac{25t {}^{8} }{2} \\ ⟹ \frac{625}{2} t {}^{8 - 4} = \frac{625}{2} t {}^{4}$

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Answer 2

25 × t^-4 / 5^-3 × 10 × t^-8(t≠0)