Write the number below in scientific notation. 450,000,000
O A. 4.5 x 107
B. 4.5 x 108
O C. 4.5 x 10‐⁷
D. 4.5 x 10​⁹

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.