evaluate 7^-4 / 7^-2
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Answer:
Q1
Evaluate :- (
7
2
)
2
×(
2
7
)
−3
÷{(
5
7
)
−2
}
−4
Q2
Evaluate:-
(
7
2
)
2
×(
2
7
)
−3
÷{(
5
7
)
−2
}
−4
Q3
(−7)
4
×(−7)
2
=(−7)
6
Q4
Evaluate
(2/7)
−4
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