Answer: [tex]\approx8*10^{-3}[/tex]
Step-by-step explanation:
In order to round to the nearest thousandth, you must observe the digit to the right of the digit in the thousandth place and then:
In this case, given the number:
[tex]0.00792398[/tex]
You can notice that the digit to the right of the digit in the thousandth place is 9.
Since [tex]9>5[/tex], you must round up. Then:
[tex]0.00792398\approx0.008[/tex]
Finally, to express this as a single-digit times a power of ten, move the decimal point three places to the right. Then you get:
[tex]\approx8*10^{-3}[/tex]