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8.0x 10^10

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7y ago

8.0 x 10^2

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1.3

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8.0 x 102

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Q: How do write the number 79807680000 in 2 significant figures?
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How many significant figures are in 4.0005?

Five. If you write numbers representing the numbers in a calculation or an answer, then the number of significant figures is the number of figures written down. The number of significant figures in 351.739002 is 9; Don't confuse "significant figures" with "decimal places". The number above has 6 decimal places.


How do you indicate the number of significant figures?

If you have written a number such as 111.1 to 3 significant figures, for example, (which would be 111) then we would write "111 (to 3 s.f.)".


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What is 86.346 plus 54.43 minus 9.5 using the correct number of significant figures?

86.346 +54.43 9.5 _______ 150.276 Now after we round the number and write it in significant figures , so it should look like this; 150 why? because when we need to round a number using the significant figures , we must look for the smallest significant figures which is 9.5 .


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Why do we sometimes add a zero to a number in a calculator display?

to report an answer with the correct number of significant figures, you may need to write significant zeros after the calculator number.


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0.00431209461 with four significant figures is 0.004312


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132.7495 in two significant figures is 130.


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1094.11 in 3 significant figures is 1090


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The number 0.0023040 has 5 significant figures because zeros (0s) before other numbers do not count as being significant. So the only significant figures are "23040". If you write the number in scientific notation, it's easier to tell how many figures are significant. 2.3040 x 10-3 has 5 significant figures.


Write 0.081778 correct to 2 significant figures?

0.081778 to two significant figures is 0.082