1.000 x 10^5
4 significant figures.
It has 4 significant figures.
4 significant figures.
4 significant figures.
4 significant figures.
57.50
0.6000
145 * 10^4
2.540x10^4
0.019807 rounds to 0.01981
Starting at the second digit after the decimal, if it is between 0 and 4, you round the first digit down. If it is between 5 and 9, you round it up. If the third digit is between 0 and 4, you round the second digit down. If it is between 5 and 9, you round the second digit up. Rounded to.......... 1 signifcant figure: .3 2 significant figures: .29 3 significant figures: .294 4 significant figures: .2943 5 significant figures: .29430
You have to round to two significant digits because 5.5 only has two. So, 5.5 × 2.141 = 12
There are 3 significant figures in 94.2.
4 significant figures.
2.31 has 3 significant figures 4 has 1 significant figure 8.123 has 4 significant figures
4 significant figures.
Non-zero numbers are always significant and leading zeros are never significant. So 0.007222 has 4 significant figures so rounding to 3 would give you 0.00722.