Fall Semester Final 2024 a

Front

What is the formula to calculate distance when speed and time are known?

Back

Distance = Speed × Time

Front

How many different ways can you choose 'r' items from 'n' items?

Back

The number of ways to choose 'r' items from 'n' items is given by the combination formula: C(n, r) = n! / (r!(n-r)!)

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers that are too large or too small in a compact form, using powers of ten.

Front

Convert 0.00056 to scientific notation.

Back

5.6 x 10^-4

Front

What is the product of (3.5×10^4) and (2.1×10^3) in scientific notation?

Back

7.35×10^7

Front

How do you calculate permutations for selecting positions?

Back

Permutations are calculated using the formula: P(n, r) = n! / (n-r)! where 'n' is the total number of items and 'r' is the number of items to arrange.

Front

What is the difference between combinations and permutations?

Back

Combinations are selections where order does not matter, while permutations are arrangements where order does matter.

Front

If a train travels at a constant speed of 80 miles per hour, how far will it travel in 2.5 hours?

Back

200 miles

Front

What is the value of 5.6 x 10^-4 in decimal form?

Back

0.00056

Front

How many different ways can a club choose a president, vice-president, and secretary from 20 members?

Back

6840 ways