Fix, Scientific Notation And Norm - Casio FX-82AU PLUS Using Manual

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 10 ´
then set the calculator to Norm2.)
3. Express
3.25 10
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
significant figures.
8. What is the value of 8.3 2.5
9. Find the value of
10. What is the value of
11. The calculation
Calculate the value of the investment in 3 years time correct to the nearest cent.
12. Calculate the value of 2 rh
correct to 1 decimal place.
13. The screen capture shows a calculation.
A How do you know the calculator is set in scientific notation, not Norm1 or 2?
B How many significant figures is the calculator set to display?
C Express the answer without any rounding or scientific notation.
Answers
4
1 6.5 10 ´ 2 6800
8 20.75 9 138.06 10 5
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.

Fix, scientific notation and norm

3
without using scientific notation. (Hint! Press 6.8 OK3
6
without using scientific notation.
´
2
8.61 10 ´ ´
? Express your answer as a decimal.
´
2
( )
11.75 correct to two decimal places.
5
4.1 10 ´ ¸ (8.75 10 )
3
( )
1.07 ´ $1260 gives the value of an investment in 3 years time.
p when r = 17.6 and h = 11.8. Express your answer
3 3 250 000
11 $1543.55
3
in scientific notation with two
9.356 10 ´
4
´ correct to the nearest whole number?
4 4.63 5 16.9
12 1304.9
6 13.23 7 8.1 10 ´
6
23