The diameter of a carbon atom is 0.000 000 000 154 cm what is the number expressed in scientific notation

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Simplify using positive exponents only.