Question #99d73

2 Answers
Mar 16, 2017

Because we do not need to move the decimal point we can multiply this term by 11 or 10^0100

7.5 = 7.5 xx 10^07.5=7.5×100 in scientific notation.

Mar 16, 2017

7.5xx10^07.5×100

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