Which of the following would be a reasonable estimate for the weight of a pencil?

1 * 10-20 lb

1 * 10-2 lb

1 * 102 lb

1 * 1020 lb

Sarah solved a quadratic equation. Her work is shown below, with Step 1 missing. What could Sarah have written as the result from Step 1? 2 (x + 1) 2 + 6 = 134 Step 1 (x+1) 2 - 64 Step 2 2+1 = 18 Step 3 x = - 9 or x = 7 Step 4 Khan academy quiz

In a classroom the ratio of boys and girls is 3 to 8 how many boys are in the class

10 + (2 x 3) 2 : 4 * 1 over 2 to the power of 3 11 and 1 over 8 25 and 1 over 6 69 82

Which of these types of heath insurance can you buy through a private insurance company

What is 0.22 as a fraction in lowest terms? o o o o

91 boxes of apples hold a total of 2,605. Assuming each box has about the same number of apples, estimate of apples in each box.

Compare 1 out of 3 and 3 out of 10. Are these values equal?

Bob won big at bingo last night, he walked away with $800. The first thing Bob does is to take a cab to his mother's house. He gives the cab driver $20 and tells him to keep the change.

A local company wants to evaluate their quality of service by surveying their customers. Their budget limits the number of surveys to 100.

Select the correct numeral form of this number written in scientific notation. 5.0 * 10^10 0.000 000 000 5 5,000,000,000 50,000,000,000 500,000,000,000