Question

b=(4⁵)³:(2×2²×2³×2⁴)³=

Answer 1

$b = {4}^{15} \div ( {2}^{1} \times {2}^{2} \times {2}^{3} \times {2}^{4} ) {}^{3} \\ b = ( {2}^{2} ) {}^{15} \div ( {2}^{10} ) {}^{3} \\ b = {2}^{30} \div {2}^{30} \\ b = {2}^{0} \\ b = 1$