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The number 4.0 X 10^-2 has two significant figures. The "4" is a non-zero digit and is always significant, while the "0" after the decimal point is significant because it indicates precision in the measurement. The scientific notation does not affect the count of significant figures.
What else can I help you with?
How many significant figures 40?
One
What is 40 divided by 490?
0.0816
What is 170 minus 40 percent?
170 - (40%) = 102
What is 138.6 in 2 significant figures?
140 This is because you take the first two numbers (in this case, they are 100 and 30) and these are the first two figures. You then round the 30 to a 40, because of the 8. This then gives you 140.
How do you write 40 percent as a fraction?
40% =0.44/102/5
How many significant figures 40?
One
How many significant figures are there in measurement 40 500?
There are three. The 4, the 5 and the zero in between. The two last zeros serve only to properly space the decimal point which, in this number, is implied.
What is 39 to one significant figures?
jku
What is 40 divided by 490?
0.0816
How many miles are there in 41 meters?
There are 1609.344 metres in one mile. Therefore, rounded to three significant figures, 40 metres is equal to 40/1609.344 = 0.0249 miles.
How many significant figures in 400 mm?
both 40 and 400 have one because there is no "." the 0.7000 has four SF because you know that the first three digits after the seven are exact while the last zero could be rounded. the concept is a little tough to get but once you do its pretty simple.
1000 divided by 48?
20.8333
What is 170 minus 40 percent?
170 - (40%) = 102
What values have 2 significant figures Check all that apply. A. 1200 B. 1001 C. 40 D. 12?
A, B and D.
What is 138.6 in 2 significant figures?
140 This is because you take the first two numbers (in this case, they are 100 and 30) and these are the first two figures. You then round the 30 to a 40, because of the 8. This then gives you 140.
What decimal part of 40 is 102?
The decimal part of 40 is 40 so the answer is 4080.
How do you write 40 percent as a fraction?
40% =0.44/102/5
