# Math Grade 12 college

posted by .

250(1.03)^n=400
solve for n

• Math Grade 12 college -

1.03^n = 400/250 = 1.6
n log1.03 = log1.6
(Any log base can be used, as long as is it the same for both logs.)
n = 15.90

## Similar Questions

1. ### College Chemistry

Calculate the number of moles of solute in 5.00 X 10^2 mL of 0.250 M HCl. Can you help me to set this problem up so that I can solve it?
2. ### algebra

Solve problem. Telephoto lens. find the image distance i for an object that is 2,000,000 mm from a 250-mm telephoto lens. tel formula is 1/f=1/o + 1/i 1/250=1/2,000,000 + 1/i 5i(1/250)=(1/2,000,000 + 1/i)5i 1/50i = 5i/400,000i + 5i/5i …
3. ### college math

sam bought 1 of 250 tickets for \$2 in a raffle with the prize of \$400. Was \$2 fair price?
4. ### grade 7 math

How many grams are in one serving of soup if 2.4 kg will serve six people?
5. ### Prob and Stats

If X is a random variable with distribution X~N(350,110) find (a)P(X<400) and b)P(250<X<400)
6. ### Economics

Suppose; C = 500 + 0.80(Y – 400) I = 400 G = 400 (X – M) = -100 Solve for income or GDP
7. ### MATH

there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade?
8. ### STAT

A college faculty consists of 400 men and 250 women. The college administration wants to draw a sample of 65 faculty members to ask their opinion about a new parking fee. They draw a simple random sample of 40 men and another simple …
9. ### Chemistry

I got pH = 5.3 A 1.00 L buffer solution is 0.250 M in HC2H3O2 and 0.250 M in NaC2H3O2. Calculate the pH of the solution after the addition of 0.150 mol of solid NaOH. Assume no volume change upon the Additon o f NaOH. The Ka value …
10. ### Math 4th Grade

example teacher has on sheet is: 400 = 10 x h 40 =10 x 4 400 = 10 x 40 So, h = 40 so how does my grandson do this problem the same way?

More Similar Questions