TI-84 Calculator: Converting Percentages

This video tutorial demonstrates how to use the TI-84 calculator to convert percentages into decimals and simplified fractions. It explains the concept of percent as 'per 100' and provides step-by-step examples for converting 15%, 4%, 0.02%, and 248% into their decimal and simplified fraction forms. The tutorial also covers the use of scientific notation for small percentages and emphasizes the importance of simplifying fractions using the calculator.

What does the term 'percent' mean?

• Per 10000

• Per 1000

• Per 100

• Per 10

How is 15% represented as a fraction before simplification?

• 15/10

• 15/100

• 1.5/10

• 150/1000

What is the decimal equivalent of 15%?

• 0.15

• 1.5

• 0.015

• 15.0

What is the simplified fraction of 15%?

• 3/20

• 15/100

• 1/5

• 3/25

What is the decimal form of 4%?

• 0.4

• 0.04

• 4.0

• 0.004

What is the simplified fraction of 4%?

• 1/20

• 1/25

• 4/100

• 2/50

How is 0.02% expressed in scientific notation?

• 0.02 x 10^4

• 2 x 10^4

• 0.02 x 10^-4

• 2 x 10^-4

What is the decimal equivalent of 0.02%?

• 0.2

• 0.02

• 0.002

• 0.0002

What is the decimal form of 248%?

• 2.48

• 248.0

• 24.8

• 0.248

What is the simplified fraction of 248%?

• 124/50

• 31/12.5

• 248/100

• 62/25