ncert math class 7 ex 13.2 ka question no.2
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Answer:
53
Step-by-step explanation:
(ii) ((52)3 × 54) ÷ 57
Solution:-
(52)3 can be written as = (5)2 × 3 … [∵(am)n = amn]
= 56
Then,
= (56 × 54) ÷ 57
= (56 + 4) ÷ 57 … [∵am × an = am + n]
= 510 ÷ 57
= 510 – 7 … [∵am ÷ an = am – n]
= 53
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