Numeric Response
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Remember These
Rules:
Digits from 1-9 are always significant.
Zeros between two other significant digits are always significant
One or more additional zeros to the right of both the decimal place
and another significant digit are significant.
Zeros used
solely for spacing the decimal point (placeholders) are not significant.
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1.
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How many significant digit(s)?
1000
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2.
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How many significant digit(s)?
1.000
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3.
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How many significant digit(s)?
10.001
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4.
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How many significant digit(s)?
.0001
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5.
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How many significant digit(s)?
1000.0004
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6.
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How many significant digit(s)?
10
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7.
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How many significant digit(s)?
100
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8.
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How many significant digit(s)?
.1
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9.
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How many significant digit(s)?
.10
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10.
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How many significant digit(s)?
.01000
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Multiplying and
Dividing
RULE: When
multiplying or dividing, your answer may only show as many significant digits as the multiplied or
divided measurement showing the least number of significant digits.
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11.
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How many significant figures should the answer have?
42 x 540 x 2000
=
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12.
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How many significant figures should the answer have?
42 x 540 x 2000.
=
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13.
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How many significant figures should the answer have?
42.01 x 540 x 2000
=
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14.
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How many significant figures should the answer have?
8001/10005 =
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15.
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How many significant figures should the answer have?
2000/100 =
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Adding and
Subtracting
RULE:
When adding or subtracting your answer can only show as many decimal places as the measurement having
the fewest number of decimal places.
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16.
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How many significant digits should the answer have?
3.0 + 5 =
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17.
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How many significant digits should the answer have?
3.0 + 5.0 =
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18.
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How many significant digits should the answer have?
3.01 + 5.0 =
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19.
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How many significant digits should the answer have?
3.0 - 5 =
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20.
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How many significant digits should the answer have?
3.0 - 5.02
=
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