Question

solve this qs with working​

Answer 1

Answer:

1

Explanation:

${a}^{ - 7} \times {a}^{4} \div {a}^{ - 3} \\ \\ = \frac{ {a}^{ - 7} \times {a}^{4} }{ {a}^{ - 3} } \\ \\ = {a}^{ - 7 + 4 + 3} \\ \\ = {a}^{ - 7 + 7} \\ \\ = {a}^{0} = 1$

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