Question

for power minus 1 plus 6 power minus 2 + 8 power minus 3 is equal to​

Answer 1

Step-by-step explanation:

${4}^{ - 1} + {6}^{ - 2} + {8}^{ - 3} \\ = \frac{1}{4} + \frac{1}{ {6}^{2} } + \frac{1}{ {8}^{3} } \\ = \frac{1}{4} + \frac{1}{36} + \frac{1}{512} \\ = \frac{1152 + 128 + 9}{4608} \\ = \frac{1289}{4608}$