

Understanding Pi and Its Applications
Interactive Video
•
Mathematics, Science, Computers, History
•
9th - 12th Grade
•
Practice Problem
•
Hard
Aiden Montgomery
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many digits of pi are needed to measure the circumference of the observable universe with the precision of a hydrogen atom?
100 digits
39 digits
20 digits
10 digits
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the practical use of pi in engineering?
To determine the weight of objects
To find the volume of cubes
To calculate the speed of light
To measure the circumference of circles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the diameter of the observable universe according to Wolfram Alpha?
8.8 x 10^26 meters
9.9 x 10^28 meters
5.5 x 10^20 meters
1.2 x 10^30 meters
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How accurate is the approximation of pi using 39 digits compared to the size of a hydrogen atom?
Less accurate
Equally accurate
More accurate
Not comparable
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who was the mathematician that calculated 35 digits of pi and had them inscribed on his tombstone?
Archimedes
Ludolph van Ceulen
Albert Einstein
Isaac Newton
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the major error found in the 19th-century calculation of pi?
There was no error
The first 100 digits were wrong
The entire calculation was incorrect
The last 180 digits were wrong
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was Archimedes' contribution to the calculation of pi?
He calculated pi to 100 digits
He used fractions to approximate pi
He invented the concept of pi
He discovered the formula for pi
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