The size of a certain cell is 2.5 x 10^-9 m. Another cell is 1.5 x 10^3 times larger. How large is the larger cell in scientific notation?

A.) 4 x 10^-27m

B.) 4 x 10^-12m

C.) 3.75 x 10^6m

D. 3.75 x 10^-6m

I honestly have no idea what to do.

One day, a person went to a horse racing area. Instead of counting the number of humans an horses, he conuted 74 heads and 196 legs. How many humans and horses were there? A. 37 humans and 98 horses B. 24 horses and 50 humans C.

How to solve 3a - (-1) = - 5

The sum of 5 consecutive odd number is 135

F (-3) if f (x) = 9x^2+1

What is the next letter a z b y c x d

Match the following reasons with the statements in the given proof. Prove that if two angles are complementary to the same angle then they are equal in measure. 1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. a) Substitution 2.

A school's rectangular athletic field has a length of 125 yards and a width of 75 yards. The planning committee has decided to expand both the length and the width of the field by a certain number of yards ... say x.

Andrea bought a jacket that was on sale for $14.40 after a discount of 20%. What was the original price of the jacket?

What is the area of a sector with a central angle 210 and a diameter of 4.6

In a certain country, the true probability of a baby being a girl is 0.474. Among the next nine randomly slected