Question

${a}^{2} \times {a}^{ - 8} =$
$\frac{2}{10} \div \frac{10}{25}$

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Answer 1

Ответ:

1. a² × a^ -8

= a^(2 + (-8))

= a^-6

2. 2/10 ÷ 10/25

= 2/10 × 25/10

= 50/100

= 1/2