Significant Figures Homework Name________________



Significant Figures Homework Name________________

Determine the number of significant figures in each number and write it to the left of the number.

__1)967

__2)967000

__3)96.7

__4)9.67

__5)0.00967

__6)9.6700

__7)9.067

__8)30.4

__9)2700

__10)5.10

__11)0.023

__12)7.0200

__13)0.04010

__14)54.000

__15)34.802

__16)0.000065

__17)4.530

__18)222

__19)70164

__20)3.00

__21)2.700

__22)304

__23)51.0

__24)0.8000080

__25)90

__26)0.009

__27)50000

Solve the following math problems. First, circle the calculator answer. Then, write the rounded significant figure answer on the blank.

28) 0.03287g x 45.2g=________________

29) 125.5kg+52.68kg+2.1kg=________________

30) 0.258g ÷ 0.36105mL=__________________

31) 1250.cal-(234.207cal2÷52.69cal)=_________________

32) (0.12g+5.16g) x (93.0g-45.56g)=___________________

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