Question

${25}^{7} \div {5}^{14 } + {3}^{90} \div {27}^{29}$

Answer 1

${25}^{7} : {5}^{14} + {3}^{90} : {27}^{29} = {5}^{14} : {5}^{14} + {3}^{90} : {3}^{87} = 1 + {3}^{3} = 1 + 27 = 28$