Find the product.(5r + 2t)4

A. 625r4 + 1000r3t + 600r2t2 + 1000rt3 + 16t4
B. 625r4 + 1000r3t + 600r2t2 + 160rt3 + 16t4
C. 625r4 + 625r3t + 600r2t2 + 600rt3 + 16t4
D. 625r4 + 5r3t + 1000r2t2 + 1000rt3 + 16t4


Answer: B

Mathematics

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