Question

Work out 5²-1⁵×2⁴ and also 7²+4³÷2⁵ please asap​

Answer 1

See below

Explanation:

`{5}^(2) - {1}^(2) * {2}^(2) \\ \\ = 25 - 1 * 4 \\ \\ = 25 - 4 \\ \\ = 21 \\ \\ \\ {7}^(2) + {4}^(3) / {2}^(5) \\ \\ = {7}^(2) +( {2}^(2) )^(3) / {2}^(5) \\ \\ = {7}^(2) + {2}^(2 * 3) / {2}^(5) \\ \\ = {7}^(2) + {2}^(6) / {2}^(5) \\ \\ = {7}^(2) + {2}^(6 - 5) \\ \\ = 49 + {2}\\ \\ = 51`