Answer:

Step-by-step explanation:
*photo attached*
32 2/5 ÷ 2 7/10
let's turn above into improper fractions:
32 2/5 ----> 162/5
2 7/10 -----> 27/10
so,
162/5 ÷ 27/10 -------> 162/5 * 10/27 = 12 necklaces
Answer:
20165
Step-by-step explanation:
Given:
Length/height (h) of cylindrical test tube = 152 mm
Radius of cylindrical test tube = 6.5 mm
Volume = 
Required:
Volume of cylinder to nearest whole number
Solution:
The volume is given as 
Take π as 3.14 and plug the values of r and h into the volume formula.


Volume of the test tube = 20165 mm³ (nearest whole number)
Answer:
-1
Step-by-step explanation: