The measurement of 29.46 cm when rounded to three significant numbers becomes 29.5 cm
3.738mL, when rounded to three significant figures, is 3.74mL
Three significant figures would be 29.5cm.
12,000
It rounds to 3.74mL
29.5 cm
It is: 29.5 cm
It is 9680
When rounded to three significant figures, 0.004 738 265 cm would be 0.00474 cm.
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.
1,040 to 3 s.f., or 1,040 (3 s.f.) or 1,040.
The rule when rounding off numbers is "If the first figure to be discarded is 5 or more then the previous figure is increased by 1". The first figure to be discarded is '6' and as this is greater than 5 then the previous figure (4) is increased by 1 (to 5). 29.46 when rounded off to three significant figures is 29.5.
0.00721004 rounded into three significant figures is 0.00721