Question

${(2 \div 7)}^{2} \times {(7 \div 2) }^{ - 3} + { {(7 \div 5)}^{ - 2} } {?}^{ - 4}$
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Answer 1

Answer:

298/7

STEP BY STEP EXPLANATION:-

4-2+40×4/7 [ 2×2=4 , 5×8=40]

42+4/7.

[ 42×7+4] /7. Simple addition of fraction.

[294+4] / 7

298/ 7.....

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