Casio FX-82AU PLUS Manuale Utente
24
Roots and exponents
Button procedures for roots and exponents are on pages 7 to 9. Remember that you can
use the n button to toggle between fractions and decimals if you want your answer in a
different form.
use the n button to toggle between fractions and decimals if you want your answer in a
different form.
1. Use the d button to find the value of the following squares.
A
2
5
B
2
11
C
2
2.6
D
2
4.3
2. Use the „ button to calculate the value of the following cubes.
A
3
2
B
3
6
C
3
1.2
D
3
4.1
3. Use the f button to calculate the following quantities.
A
7
2
B
1.5
16
C
0.5
16
-
D
2
3
3
8
E
( )
5
1
2
2
-
F
( )
2
3
3
27
8
G
( )
1
2
2
11
25
25
1
-
H
1
2
2
3
16
2
-
´
4. Use the s button to find the following roots.
A 2809
B 23104
C
2
2
48
55
+
D
2
2
65
56
-
E
2
6
4 1 8
- ´ ´
F
2
43
4 6 55
- ´ ´
5. Use the SHIFT then f buttons to find the value of the following roots. Express
each answer correct to one decimal place.
A
4
700
B
5
620
C
8
11
D
2
3
4
3
5
+
6. Express the following values as whole numbers or mixed numerals.
A
( )
5
1
2
2
1
B
7
9
9
2
C
( )
2
1
5
5
-
D
( )
3
2
2
4
9
9
-
Answers
1A 25 B 121 C 6.76 D 18.49
1A 25 B 121 C 6.76 D 18.49
2A 8 B 216 C 1.728 D 68.921
3A 128 B 64 C
1
4
4
D 4 E 32 F
9
4
4
G
5
6
6
H 2
4A 53 B 152 C 73 D 33 E 2 F 23 5A 5.1 B 3.6 C 1.3 D 3.4
6A
6A
19
32
32
7
B
2
3
3
1
C 25
D
3
8
8
3
© Sue Thomson and Shriro Australia PTY Limited. This page may be photocopied for classroom use.