6x 10^4 is how many times greater than 3 x 10^-5 a 2 × 10^9 b 4 × 10^−1 c 4 × 10^1 d 2 × 10^−9

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

What’s 8y+48 and factor each expression completely