Question

como fazer estes calculos

Answer 1

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Ola Eliz

a)

(8/3)^-3 = (3/8)^3 = 27/512 = 0.052734375

b)

7^3/7^5 = 7^(3-5) = 7^-2 = 1/49 = 0.02040816

c)

5^4 * 5^3 * 5^2 = 5^(4 + 3 + 2) = 5^9 = 1953125

d)

8/√5 = 8√5/5 = 3.57771

pronto