Determine the number of significant digits in the measurement.

0.79 cm

a.3
b.4
c.2
d.1

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64