Casio FX-82AU PLUS Calculator User Manual


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23
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
3
6.8 10 ´
withoutusingscientificnotation.(Hint!Press6.8OK3
thensetthecalculatortoNorm2.)
3. Express
6
3.25 10 ´
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
2 3
8.61 10 9.356 10 ´ ´ ´
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
( )
2
11.75
correcttotwodecimalplaces.
10. Whatisthevalueof
5 4
4.1 10 (8.75 10 ) ´ ¸ ´
correcttothenearestwholenumber?
11. Thecalculation
( )
3
1.07 $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
2 rh
p
whenr=17.6andh=11.8.Expressyouranswer
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
1
4
6.5 10 ´
26800 33250000 44.63 516.9 6 13.23 7
6
8.1 10 ´
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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