Question

Find the value of ( 2 power minus 1 * 4 power minus 1) + 2 power minus 2

Answer 1

Step-by-step explanation:

(2 -  {2}^{ - 1}  -  {4}^{ - 1} )square

2 -  \frac{1}{2}  -  \frac{1}{4 }  =  \frac{8 - 2 - 1}{4}  

\frac{5}{4}  \times  \frac{5}{4}  

\frac{25}{16}

Answer 2

ANSWER 0.375

EXPLANATION:

(2⁻¹  x 4⁻¹) + 2⁻²

(2 x 4)⁻¹ + 2⁻²

(8)⁻¹ + 2⁻²

1/8 + (1/2)²

1/8 + 1/4

3/8

0.375