Answer
See step by step solution for the solution.
Work Step by Step
To convert a number to scientific notation, move the decimal point so that there is exactly 1 non zero integer on the left of the decimal point. Then, multiply that number by $10^a$ if you moved the decimal point to the left, or $10^{-a}$ if you moved the decimal point to the right. $a$ is the number of times the decimal point was moved.
a)
$0.00034159 $
Rounded to 3 significant digits:
$0.000342$
Scientific notation:
$3.42 \times 10^{-4}$
b)
$103.351 \times 10^2$
Rounded to 4 significant digits:
$103.4 \times 10^2$
Scientific notation:
$1.034 \times 10^{4}$
c)
$17.9915$
Rounded to 5 significant digits:
$17.992$
Scientific notation:
$1.7992 \times 10^{1}$
d)
$3.365 \times 10^5$
Rounded to three significant digits:
$3.37 \times 10^5$
The number is already in scientific notation.
