Question

1.Which expression is equivalent to (92)8?A. -81321B.9161C.9 10D.818

Answer 1

Given the standard form:

`\begin{gathered} 5*10^(-4) \\ \end{gathered}`

This can be expressef as a decimal by shifting the decimal point to the back 4 times (since the power is a negative 4) as shown:

`\begin{gathered} 0.0005 \\ \end{gathered}`

Hence the equivalent value for the standard form is 0.0005. Option B is correct