Name:
Block:
Chemistry
Math with Significant Figures
Directions: Use a
calculator, record the answer the calculator shows, then round this answer to
the correct number of significant figures & circle the rounded answer.
Answers can be written in scientific notation or decimal notation.
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Addition &
Subtraction: |
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Problem |
Answer
shown on Calculator |
Answer
rounded to the correct # of significant figures. |
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1)
9 + 2 = |
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2)
23.1 + 4.77 + 125.39
+ 3.581 = |
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3)
22.101 - 0.9307 = |
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4)
10,005 - .028 = |
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5)
564,321 - 264,321= |
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Multiplication and
Division: |
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1)
(3.4617 x 107)
Ö (5.61 x 10ø4) = |
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2)
14 x 187.6 = |
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3)
(4.7620 x 10ø15)
Ö [(3.8529 x 1012) (2.813 x 10ø7) (9.50)] = |
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4)
[(561.0) (34,908)
(23.0)] Ö [(21.888) (75.2) (120.00)] = |
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Mixed
Operations |
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1)
(2 +
15) x 18.3 = |
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2)
(47.5
x 8.98) Ð 8.98 = |
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3)
1111
x (333333 Ð 8)= |
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4)
(11.789
x 4 ) Ð 22 = |
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