Rounding Decimals with Desmos Scientific Calculator

This lesson demonstrates how to round decimals using the Desmos scientific calculator, focusing on the irrational numbers pi and e. It explains the use of the round function to round these numbers to various decimal places, including ones, tenths, hundredths, and thousandths. The video provides step-by-step instructions for rounding pi and e, highlighting the ease of using Desmos for these calculations.

What is the primary function used in Desmos to round decimals?

• Round

• Ceil

• Floor

• Truncate

How does the Desmos calculator round pi to the ones place?

• 3.142

• 3.14

• 3.1

• 3

What is the rounded value of pi to the tenths place?

• 3.142

• 3.14

• 3

• 3.1

To round pi to the hundredths place, what value should be used in the round function?

• 0

• 3

• 1

• 2

What is the rounded value of pi to the thousandths place?

• 3.1

• 3.14

• 3

• 3.142

What is the rounded value of e to the ones place?

• 3

• 2.72

• 2.7

• 2

How does the Desmos calculator round e to the tenths place?

• 2.7

• 2.72

• 2.718

• 3

What is the rounded value of e to the hundredths place?

• 2.72

• 2.718

• 2.7

• 3

To round e to the thousandths place, what value should be used in the round function?

• 0

• 2

• 1

• 3

What is the rounded value of e to the thousandths place?

• 2.7

• 2.72

• 2.718

• 3