21 billion as how much more than 9.8 billion write it in scientific notation

True or false? a circle could be circumscribed about the quadrilateral below

If I'm looking at buying a house for $450,000, and want my deposit to be 20%, how much do I need to have saved? A) 50,000.00 B) Your deposit needs to be higher than 20% C) 52,000.00 D) 90,000.00

a zip line starts 35 feet above the ground and has one landing platform. The line is secured into the ground. what's the height of the platform

9. Problems and Applications Q9 Consider the following events: Scientists reveal that eating oranges decreases the risk of diabetes, and at the same time, farmers use a new fertilizer that makes orange trees produce more oranges.

Rose uses 15 gallons of paint on his laundry room walls. He used 1 times as much paint on his living room walls as he did on his laundry room. He used 1 times as much paint on his basement walls as he did on his living room.

What is 0.25 : 1.5 in simplest form

A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If an applicant is randomly selected what is the probability of a rating that is between 225 and 276

Yasmin swims at a constant rate of 2 km/h for 2.5h how far does Yasmin swim

Otero translated the phrase "three less than a number" into the expression 3-x. Which best describes the accuracy of Otero's expression? (A.) It is accurate.

Because diagonals of a square are congruent and A) have the same slope B) bisect each other C) are perpendicular