Question

simplify and Express the result as a rational number in its lowest 2upon 5 into 3 upon 4 + 1upon 25 into 1 upon 2 minus 2 upon 10 into 1 upon 5​

Answer 1

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5² × 4³ + 25¹ × 2¹ – 10² × 5¹

=> 5² × ${2}^{2×3} + {5}^{1×2} × 2¹ – {5×2}² ×5¹$

=> 5² × 2⁶ + 5² × 2 – 5²×2² × 5

=> 25 × 64 + 25 × 2 – 125 × 4

=> 1600 + 50 – 500

=> 1150

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