There are 7.5E38 stars in our Galaxy. So far astronomers have mapped 0.27% of all of these stars.

1) How many stars have been mapped in our sky?

Write answer like this example "5.23E45". Round to three significant digits, "5.23"

Sumiko has three times as many quarters as dimes. She has a total of $5.10. How many dimes does she have?

P = (-5,5) and Q = (-3,4)

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?

A magician has 600 balloons ready to inflate his bag 32% of those balloons around 68% a long and thin of the round below 25% are yellow how many round yellow balloons does the magician n have

How far will lava flow travel in 1 hour if the lava flow moves about 93 meters in 1.5 hours

Problem solving exercise 3d+d-7=25/4

What is the value of x in x/0.2 = - 11.3 A) - 11.5, because to isolate x, you would subtract 0.2 from - 11.3 B) - 2.26, because to isolate x, you would multiply - 11.3 by 0.2 C) - 56.5, because to isolate x, you would divide - 11.3 by 0.2 D) - 11.

How many feet of fencing is needed to fence in a 130 ft by 225 ft area?

On a family trip, the baristas drive 110 miles in 2 hours. At this rate, how far would they drive in 7 hours

Mr. lee drive 8 miles from his house to Parkside Parkside is 4 miles south of Springfield from Parkside he drove 3 miles to Springdale then he drove 20 miles from Springdale to Brookville how far did Mr. Lee Drive in all