Janet wants to purchase a new car. At the car dealership, a salesperson tells her she can choose from 10 car models, 7exterior c

Question

3 years ago

15

Janet wants to purchase a new car. At the car dealership, a salesperson tells her she can choose from 10 car models, 7exterior c

olors, and 9 interior colors.
How many ways can Janet customize a car? Enter your answer as a whole number, like this: 425

So I got 120 from using nCr(10,7) on a calculator
But I got it wrong so can somebody help with this question for this combination

Mathematics