# How many significant figures are in 45.030?

5 of them.

# How do you figure how many significant figures a number has?

Generally speaking, one can't have more significant figures in the answer to a mathematical equation than the least number of significant figures of all the values used to gen…erate that equation. 6*6=40 6.0*6.0=36 For example: 1.1/2.3=0.478260869... But it doesn't make sense for the answer to have more significant figures than 2: 0.48. The point of significant figures is that the precision of the answer should reflect the precision of the factors that led to the answer. For example, suppose you were trying to measure the length of two pieces of string, with a ruler graduated down to millimeters. Lets say you wanted the sum of the length of the two strings. It would not make sense to express the sum in nanometers, because the precision of the measurements was in millimeter level. It would also be incorrect to express the sum in centimeters even if the result was a number with one or more trailing zeros, the measurements were accurate to 1 millimeter. 374mm + 626mm = 1000mm NOT 1 meter nor 100cm (but 1.000 meter, or 100.0cm)

# How many significant figures are in .0400?

Zeros must be kept to show the decimal point or to indicate that zero is a significant figure. In this question the 0.0 part of the number is to show the position of the decim…al point and does not form part of the significant figure count. If the number has been rounded to the nearest ten-thousandth then 0.0400 is correct to 3 sf. If the number can be rounded to the nearest thousandth then it would be written as 0.040 and would be correct to 2sf. If rounded to the nearest hundredth then it becomes 0.04 and is correct to 1 sf.

# How many significant figure is in 23.00?

4 - provided the two 0s after the decimal point are there to indicate a degree of precision.

# How many significants figures are in 00.054?

two. the "5" and "4" are significant

# How many significant figures does 2469 have?

Four - all nonzero digits are significant. * * * * * Not only that, but embeded 0s are also significant as are 0s after the decimal point.

# How many significant figures does 0.00121 have?

6 **************2nd Opinion*************** 3 The zeros are placeholders only and are not significant.

# How many significant figures are in 456?

3 of them.

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# What is 900 to one significant figure?

It's already there.

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# How do you figure out how many significant figures are in a number?

The rules for identifying significant figures when writing or interpreting numbers are as follows: All non-zero digits are considered significant. For example, 91 has … two significant figures (9 and 1), while 123.45 has five significant figures (1, 2, 3, 4 and 5). Zeros appearing anywhere between two non-zero digits are significant. Example: 101.1203 has seven significant figures: 1, 0, 1, 1, 2, 0 and 3. Leading zeros are not significant. For example, 0.00052 has two significant figures: 5 and 2. Trailing zeros in a number containing a decimal point are significant. For example, 12.2300 has six significant figures: 1, 2, 2, 3, 0 and 0. The number 0.000122300 still has only six significant figures (the zeros before the 1 are not significant). In addition, 120.00 has five significant figures since it has three trailing zeros.

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# How do you figure how many significant figures are in 235?

235 has 3 significant figures. This is because all three digits are non-zero numbers, and all non-zero numbers are considered significant.

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# How many significant figures does the figures have 43.023?

Five.

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# How many significant figures does the figure 1123.90 have?

Five, everything up to the zero in the hundredths place is a significant figure.