When rounded to three significant figures, 3.738 mL becomes 3.74 mL. Remember, to round to three significant figures, you start counting from the first non-zero digit from the left.
4.884 has four significant figures and 2.25 has three significant figures. 4.884 x 2.25 = 10.989 = 11.0 rounded to three significant figures. When multiplying or dividing, the result must have the same number of significant figures as the number in the problem with the fewest significant figures.
The answer for 600x190 is 114,000. Since both 600 and 190 have two significant figures, the answer should be rounded to two significant figures as well.
It already is rounded to three significant figures.
3078 to three significant figures is 3080. When rounding to three significant figures, the digit in the hundreds place (0) remains the same, while the digits after it (7 and 8) are greater than 5 so it is rounded up.
16.558 rounded to three significant figures is 16.6
0.00721004 rounded to three significant figures is 0.00721
44.981 rounded to three significant figures is 45.0
0.00858345 rounded to three significant figures is 0.00858
1,399.54 rounded to three significant figures is 1.40e3
79,966.92 rounded to three significant figures is 8.00e4
0.00721004 rounded into three significant figures is 0.00721
It is then 2.64 when rounded to three significant figures
0.00076321cg rounded to three significant figures is 0.000763cg
That depends on how many significant figures you are talking about.If three significant figures then 700 is the largest that rounds to 700.If four significant figures are to be rounded to three significant figures then 700.4If five significant figures are to be rounded to three significant figures then 700.49If six significant figures are to be rounded to three significant figures then 700.499etc.
10,074 rounded up to the three significant figures is 10,100
9,682 rounded to three significant figures is 9,680.