When is etimation an effective way to determine an answer

The population of Canada is approx. 3 * 10^7. The population of Mexico is approx. 1 * 10^8. How many times greater is the population of Mexico compared to the population of Canada?

The actual length of side t is 0.045 cm. Use the scale drawing to find the actual side length of w. A) 0.06 cm B) 0.075 cm C) 0.45 cm D) 0.75 cm

Carrie saved money to spend while on a one-month vacation to Europe. On day 8, she had $2,400 remaining. On day 16, she had $1,600 remaining.

Write 2022 base 3 in expanded form

Annie wants to estimate the average number of AP classes a student at her high school takes. She decides to randomly select 6 classes and use all the students in those 6 classes to estimate the average.

Suzette went to the mall with her uncle Louie and ended up having to borrow some money to finish her holiday shopping. Suzette saw an egg-beater that she wanted to get for her sister. It cost $12.

The magnitude of a velocity vector is called speed. Suppose that a wind is blowing from the direction N45°W at a speed of 50 km/h. (This means that the direction from which the wind blows is 45° west of the northerly direction.

An apartment manager would like to survey a sample of residents to determine whether there may be interest in building a pool. What is the best way that the apartment manager could select the sample? A.

Use scientific notation to find the product of 20.5 * 10 7 and 0.000036. 73.8 * 10 2

At 5 seconds, an object's velocity is 9 meters per second. At 8 seconds, the object's velocity is 25 meters per second.