Which number is written correctly in scientific notation?

A 4.89 x 10-8

B 10.3 x 104

C 6.45 x 25

D 0.34 x 103

Simplify the following: 2/3+2^3 - 1/3

Some kids like to ride their bikes to and from school let d be the distance in miles from a kid home to school write 2 expression to represent how far a kid travel by bike in 4 weeks

Julio just bought a $267,900 house. He had a 20 year mortgage with a fixed rate of 5.875%. Julio's monthly payments are $1,558.09. What percent of the purchase price was Julio's down payment? a. 13% b. 15% c. 18% d. 20%

Set up an equation to represent the distance the cheetah covered in terms of t minutes running at maximum speed. Remember, units of distance and time must agree. Use the conversion information from the warm-up to write a rate in miles per minute.

Why does the inequality sign have to be flipped when multiplying and dividing by a number like in - 2x > 10?

what is 24/100 simplify to

What is the value of each of the numbers one by one 7 and 6 and 9

What word describes the equal shares of 4 equal sides

Priyanka and Ethan were asked to find an explicit formula for the sequence - 3,-14,-25,-36, ...

4y+6 is less then 38