Casio FX-82AU PLUS manual ( )

24
Roots and exponents
Buttonproceduresforrootsandexpone ntsareonpages7to9. Remembe rthatyoucan
usethenbuttontotogglebetweenfrac tionsanddecimalsifyouwantyourans wer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
8
E
( )
5
1
2
-F
( )
2
3
27
8G
( )
1
2
11
25
1 -H1
2 3
16 2
- ´
4. Usethes buttontofindthefollowin g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decima lplace.
A4700B5 620C8 11D2 343 5 +
6. Expressthefollowingvaluesasw holenumbersormixednumerals.
A
( )
5
1
2
1B7
9
2C
( )
2
1
5
-D
( )
3
2
4
9
-
Answers
1A25 B121 C6 .76 D18.49 2A 8 B216 C1.72 8 D68.921
3A128 B64 C1
4D4 E32 F9 4G5 6H2
4A53 B152 C7 3 D33 E2 F23 5A5.1 B3.6 C1.3 D3.4
6A19
32
7B2
3
1C25 D3
8
3
©SueThomsonandShriroAustralia PTY Limited.Thispagemaybephotocopied forclassroomuse.