Question

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$a) \: {7}^{ - 1} =$
$b) \: \frac{1}{2} ^{ - 2} =$
$c) \: \frac{7}{4} ^{ - 2} =$
${10}^{ - 3 = }$

Answer 1

a)
${7}^{ - 1} = 0.142$
B)
${ \frac{1}{ 2} }^{ - 2} = 0.5$

c)
${ \frac{7}{4} }^{ - 2} = 0.005$
D)
${10}^{ - 3} = 0.001$