simplify a) 2³×3⁴×4/3×32
b) ((5²)³×5⁴)÷5⁷
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(i) (23 × 34 × 4) / (3 × 32)
= (23 × 34 × 22) / (3 × 25)
= (23 + 2 × 34) / (31 × 25) [am × an = am + n]
= (25 × 34 - 1) / (25) [am ÷ an = am - n]
= 33
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