How do I know how to which place - value position to round a number?

If 450 birds have to fit into 18 enclosures, & there are 3 enclosures in each section of the zoo, how many birds are in each section

The sum of two numbers is 56 the difference is 4 find the two numbers

60% of the students are girls. Boys are 12. how many students are there?

There is a round glass full of water with radius=5 and height=9. Now, when it's tilted at some angle 0,2l of water pours out. How to find Angle at which glass was tilted?

If sec0 = 25/24 find cot0

The probability of a chance event is 0.3, it is to happen when compared to a chance event with a probability of 0.4 Select one: equally likely less likely both more and less likely more likely

Solve -5/8 (16w-24) = 35

The owner of a produce stand is selling bunches of grapes, priced by the pound. she rounded each measurement to the nearest 1/8 of a pound

State whether triangle abc and triangle aed are congruent. Justify your answer

4.) Mary saved $60 in 4 weeks. If she keeps saving at the same rate, how much will she save in 10 weeks?