find the product and write the result in standard form -45 upon 63 into 35 upon -72
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Answer:= 5^2× 2^3 ×3^2
= 25/72
Step-by-step explanation:
-45/63 × 35/-72
= [(-3×3×5)/(3×3×7)]/ [(5×7)/(-2×2×2×3×3)]
= [-5/7]× [(5×7)/(-2×2×2×3×3)]
= (-5) × 5 / (-2×2×2×3×3)
= 5^2/ (2^3×3^2)
= 5^2× 2^3 ×3^2
= 25/72
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