Question

solve this question(6) with explain in copy?​

Answer 1

Answer:

4²⁵×7¹³×15⁹

=2⁵⁰×7¹³×3⁹×5⁹

as 2, 7,3,5 are all prime numbers so to find no. of prime factors we have to just add their power.

no. of prime factors=50+13+9+9=81

∴option(4) is correct.

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Answer 2

Answer: 81

Step-by-step explanation:

4^25=(2×2)^25= 2^25,2^25

Similarly

7^13

15^9= (5×3)^9= 5^9×3^9

25+25+13+9+9=81