Question

write 0.00002200 ml in correct scientific notation using significant figures 1. the number of significant figures is 2. the uncertainty is 3. a. 2.200 x 10^(-5) ml b. 2.20 x 10^(-5) ml c. 2.2 x 10^(-5) ml d. 2 x 10^(-5) ml e. 2.200 x 10^5 ml f. 2.20 x 10^5 ml g. 2.2 x 10^5 ml h. 1 i. 2 j. 3 k. 4 l. 5 m. 6 n. 7 o. 8 p. 0.001 x 10^(-5) ml q. 0.001

Explanation:

Step1: Write in scientific - notation

Move the decimal point 5 places to the right to get a number between 1 and 10. So, $0.000022200 = 2.2200\times10^{-5}$. In scientific notation with significant - figures, trailing zeros after a decimal point are significant.

Step2: Determine significant figures

The significant figures in $2.2200\times10^{-5}$ are 2, 2, 2, 0, 0. So there are 5 significant figures.

Step3: Determine uncertainty

For a number written to the fourth decimal place in the coefficient of scientific notation (like $2.2200\times10^{-5}$), the uncertainty is in the last digit's place value. The uncertainty is $0.0001$.

Answer:

1. A. $2.2200\times10^{-5}\text{ mL}$
2. L. 5
3. Q. $0.0001$