SIGNIFICANT FIGURES
The digits 1, 2, 3, 4, 5, 6, 7, 8 & 9 are always significant.
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Zero is only significant if
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it is between significant figures
or it is at the end of a number after the decimal point. |
The zeros at the END
of a whole number are NOT significant. The zeros BETWEEN other significant figures ARE significant. The zeros at the START of a decimal are NOT significant. A zero at the END of a decimal IS significant. |
2000
has 1 sig fig 9000001 has 7 sig fig 0.001 has 1 sig fig 0.00 has 1 sig fig |
PRACTICE |
MyMaths
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