3500
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". When 16490 is rounded off to 2 significant figures then the first figure to be discarded is 4. As this is less than 5 then the previous figure (6) is not increased by 1. 16490 to 2 significant figures is 16000.
gram
145.992 using only four significant figures is 146.0
61.37795276 in four significant figures is 61.38
I think using grams is better, because it may not come more than 5 kilograms
Yes, you can measure a goldfish in grams or kilograms using a scale designed for small objects or animals. Weighing a goldfish in grams or kilograms can help in monitoring their growth and health.
21,600 using only four significant figures is still 21,600.
Yes, a pumpkin can be measured in grams or kilograms. The weight of a pumpkin typically ranges from a few hundred grams for smaller varieties to several kilograms for larger ones. Using grams is more precise for smaller pumpkins, while kilograms is more practical for larger ones.
840 using four significant figures is 840.0
Mass is a measure of the amount of matter in an object. It is typically measured in units such as grams or kilograms using a scale.
There are 3 significant figures
Since a baseball cap weighs less than one kilogram, using grams would better. For example 120 grams, as opposed to 0.12 kilograms.