jaafar89 jaafar89

22-08-2021
Mathematics

contestada

Simplify (2^-1 +5^-1)^2 *(-5/8)^-2

Respuesta :

sereneahn26 sereneahn26

22-08-2021

Answer: 1.2544

Step-by-step explanation:

2^-1 = 1/2

5^-1 = 1/5

1/2+1/5 = 7/10

(7/10)^2=49/100=0.49

(-5/8)^-2 = 64/25=2.56

(2^-1 +5^-1)^2 *(-5/8)^-2 = 0.49 * 2.56 = 1.2544

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