Answer
a. 3 significant figures
b. 4 significant figures
c. 4 significant figures
d. 1 significant figure
e. 7 significant figures
f. 1 significant figure
g. 3 significant figures
h. 3 significant figures
Work Step by Step
a. In exponential notation, all the figures are significant.
b. The leading zeros are not significant but the number has a decimal point, so the trailing zeros are significant.
c. The number has a decimal point, so the trailing zeros are significant.
d. In exponential notation, all the figures are significant.
e. All figures are significant
f. No decimal point, so the trailing zeros are not significant.
g. All digits are significant because last digit is 1
h. The number has a decimal point, so the trailing zeros are significant.
