Question

Please solve both of them separately.​

Answer 1

Answer:

79. 2nd

80. a5b9

Step-by-step explanation:

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Answer 2

Answer:

79. It is know as continued proportion but according to options, it is 2nd proportion.

SO, OPTION (A).

80. OPTION (A).

BECAUSE IN INDICES THE POWERS ARE ADDED WHEN SAME BASES ARE MULTIPILIED.

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