help with these 2 questions

1, Estimate the number of pencil cases needed to hold 10 thousand pennies. Show your work.
2 Estimate the height of a stack of 50 thousand pennies. Show your work.

We can't do the first problem without knowing the size of a pencil case.

A penny's thickness is 1.55 mm and its diameter is 19.05 mm.

2.
50,000 * 1.55 = 77,500 mm = 77.5 m

Thanks im not in ur class but this helped :)

Sure! I can help you with these questions. Let's start with the first one.

1. Estimate the number of pencil cases needed to hold 10 thousand pennies.

To estimate the number of pencil cases needed, we need to consider the capacity of a pencil case and the number of pennies it can hold.

Let's assume that a typical pencil case can comfortably hold 50 pennies. This is just an estimate, as the actual number may vary depending on the size and shape of the pencil case.

To find the number of pencil cases needed, we divide the total number of pennies by the number of pennies that fit in each pencil case:

Number of pencil cases = Total number of pennies / Number of pennies per pencil case

Number of pencil cases = 10,000 / 50

Number of pencil cases = 200

So, approximately 200 pencil cases would be needed to hold 10 thousand pennies.

Now, let's move on to the second question.

2. Estimate the height of a stack of 50 thousand pennies.

To estimate the height of the stack, we need to consider the thickness of a single penny and the total number of pennies in the stack.

Let's assume that the thickness of a single penny is approximately 1.55 millimeters. Again, this is just an estimate, as pennies may vary slightly in thickness over time.

To find the height of the stack, we multiply the thickness of a single penny by the total number of pennies in the stack:

Height of stack = Thickness of a single penny x Total number of pennies in the stack

Height of stack = 1.55 mm x 50,000

Height of stack = 77,500 mm

Since the measurement in millimeters is not very convenient here, let's convert it to meters by dividing by 1,000:

Height of stack = 77,500 mm / 1,000

Height of stack ≈ 77.5 meters

So, the estimated height of a stack of 50 thousand pennies is approximately 77.5 meters.