Fix, scientific notation and norm

Remember!

When you want to cancel fix or scientific notation choose Norm2. Refer to page 5 for fix and scientific notation procedures.

1.Express 65 123 in scientific notation with 2 significant figures.

2.Express 6.8×103 without using scientific notation. (Hint! Press 6.8 OK3 then set the calculator to Norm2.)

3.Express 3.25×106 without using scientific notation.

4.Write 4.6349 correct to 2 decimal places.

5.Determine the value of 16.8731 correct to 1 decimal place.

6.Find the value of 175 correct to 2 decimal places.

7.Calculate the value of 8.61×102 × 9.356×103 in scientific notation with two significant figures.

8.What is the value of 8.3× 2.5? Express your answer as a decimal.

9.Find the value of (11.75)2 correct to two decimal places.

10.What is the value of 4.1×105 ÷ (8.75×104 ) correct to the nearest whole number?

11.The calculation (1.07)3 ×$1260 gives the value of an investment in 3 years time.

Calculate the value of the investment in 3 years time correct to the nearest cent.

12.Calculate the value of 2π rh when r = 17.6 and h = 11.8. Express your answer correct to 1 decimal place.

13.The screen capture shows a calculation.

AHow do you know the calculator is set in scientific notation, not Norm1 or 2?

BHow many significant figures is the calculator set to display?

CExpress the answer without any rounding or scientific notation.

Answers

 

 

 

 

 

 

 

1

6.5×104

2 6800

3 3 250 000

 

4 4.63

5 16.9

6 13.23 7 8.1×106

8

20.75

9 138.06

10 5

11

$1543.55

12 1304.9

 

13 A SCI is at the top of the screen

B 2

C 31 102 015

 

© Sue Thomson and Shriro Australia PTY Limited. This page may be photocopied for classroom use.

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Casio FX-82AU PLUS manual Fix, scientific notation and norm, Remember

FX-82AU PLUS specifications

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