Question #99d73
2 Answers
Mar 16, 2017
Because we do not need to move the decimal point we can multiply this term by
Mar 16, 2017
Explanation:
A number expressed in
color(blue)"scientific notation"scientific notation has the form.
color(red)(bar(ul(|color(white)(2/2)color(black)(axx10^n)color(white)(2/2)|))) where
1<=a<10" and n is an integer"
7.5" is in this interval so requires no adjustment"
color(orange)"Reminder " a^0=1
rArr7.5
=7.5xx1
=7.5xx10^0