Midterm Part 1

What button would you press to delete one value on a scientific calculator?

• DEL

• CLEAR

• ON

• 2nd

To find the square root of a number, which button sequence should you use?

• 2nd, x²

• x², 2nd

• 2nd, PRB

• PRB, 2nd

What is the simplified form of the fraction 12/56?

• 3/14

• 1/4

• 1/2

• 2/3

Fill in the blank: The square of 5 is ____.

• A) 20

• B) 25

• C) 30

• D) 35

• 64

• -64

• 32

• -32

Fill in the blank: The square root of 25 is ____.

• A) 4

• B) 5

• C) 6

• D) 7

• 1

• 3

• 5

• 15

Which of the following statements is true about significant figures?

• A) Non-zero digits are never significant.

• B) Zeros between non-zero digits are not significant.

• C) Trailing zeros are only significant if they are after the decimal point.

• D) Leading zeros are always significant.

Fill in the blank: In the number 0.0090210, there are _____ significant figures.

• A) 3

• B) 4

• C) 5

• D) 6

What is the number of significant figures in the number 3003.03?

• A) 3

• B) 4

• C) 5

• D) 6