Finding Fifth Roots in Excel

The video tutorial explains how to find the fifth root of a number, specifically 42, by determining what number multiplied by itself five times equals 42. It demonstrates two methods: using a basic calculator and using Excel. The calculator method involves a series of operations to approximate the root, while the Excel method uses a formula for more accuracy. The video concludes with a summary of the process and encourages viewers to explore more videos.

What is the main question when finding the fifth root of a number?

• What number divided by five equals the given number?

• What number subtracted from itself five times equals the given number?

• What number added to itself five times equals the given number?

• What number times itself five times equals the given number?

Which number, when multiplied by itself five times, equals 32?

• 2

• 3

• 4

• 5

What is the first step in using a basic calculator to find the fifth root of 42?

• Subtract 1

• Press the equal sign

• Type in the number 42

• Press the multiplication sign

How many times do you press the radical sign on a basic calculator to find the fifth root?

• 12 times

• 5 times

• 10 times

• 15 times

What is the final step in the calculator method for finding the fifth root?

• Add 1 and press equal

• Multiply by the root index

• Subtract 1 and press equal

• Divide by the root index

What is a limitation of using a basic calculator for finding nth roots?

• It is not accurate at all

• It can only calculate square roots

• It requires internet access

• It is only accurate to the hundredths column

What symbol is used in Excel to denote exponentiation?

• Percent (%)

• Asterisk (*)

• Carat (^)

• Ampersand (&)

In Excel, what formula would you use to find the fifth root of 42?

• 42 ^ (1/5)

• 42 - (1/5)

• 42 * (1/5)

• 42 + (1/5)

What is the rounded result of the fifth root of 42 using Excel?

• 2.115

• 2.120

• 2.112

• 2.110

Why might the result from Excel slightly differ from the expected value?

• The formula used is incorrect

• Excel cannot calculate roots

• Because of rounding

• Due to a calculation error