Question

qual o valor 7 elevado a 2 - 40 + 10 : 3 elevado a 2 -10 elevado a 0

Answer 1

${7}^{2} = 49 - 40 = 9 \div {3}^{2} = 1 - {10}^{0} = 0 \\ {10}^{0} = 1 \\ {3}^{2} = 9$