The value of 3×(2)13×7×(6)13×5×(18)13 is
545
500
630
400
Given 3×(2)13×7×(6)13×5×(18)13 ∵(ab)m = am×bm ⇒(3×7×5)×(2×6×18)13 ⇒105×(2×6×6×3)13
⇒[105]×[63]13
∵(am)n = (a)m×n ⇒[105]×[6]3×13=105×6=630
The value of 21/2.31/3.41/410−1/5.53/5÷34/3.5−7/54−3/5.6 is