Question

-5 - 5 73
$(7 {}^{5} \div 7 {}^{ - 2} ) \times 7 {}^{3}$
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Answer 1

✯Question:

Evaluate: ${\frac{1}{4}}$+${\frac{4}{5}}$-${\frac{6}{7}}$

✯Solution:

${\frac{1}{4}}$+${\frac{4}{5}}$-${\frac{6}{7}}$

=${\frac{34+112-120}{140}}$

=${\frac{147-120}{140}}$

=${\frac{27}{140}}$

✯Question:

Simplify: $(7⁵÷7‐²)×7³$

✯Solution:

$(7⁵÷7‐²)×7³$

$⟹(7⁵-(‐²)×7³$

$⟹(7⁵+²)×7³$

$⟹7⁷×7³$

$⟹7⁷+³$

$⟹7¹⁰$