Question

Simplifique a expressão:

B = 7^2 × 49^3 × 343/7^3 × 7^6

Answer 1

$7^2.49^3.( \frac{349}{7} )^3.7^6=\\7^2.(7^2)^3.(49)^3.7^6=\\7^2.7^6.(7^2)^3.7^6=\\7^2.7^6.7^6.7^6=\\7^2^+^6^+^6^+^6=\\7^2^0$