The cost of one pencil is $10:8=$1.25
The cost of 20 pencils: 1.25 x 20 = $25
Answer: 7964.97 in³
Step-by-step explanation:
A drum is a cylinder. Therefore, we will have to calculate the volume of a cylinder which will be:
Volume = πr²h
where π = 3.142
r = Diameter/ 2 = 26/2 = 13
h = 15
Volume = πr²h
= 3.142 × 13² × 15
= 3.142 × 169 × 15
= 7964.97 in³
Answer:
15
Step-by-step explanation:
1. count how many sig figs are in the number with least sig figs
2. multiply
3. cut the result off at the number of sig figs on top
15.05 has 4 sig figs
341.2
C