Answer:
3^(n+1) - 3^n / 3^(n-1) = 6
Answer:
10.
Divide b into thirds, and then add together 2 of those thirds.
15/3 = 5
5x2 is 10.
Sorry if that doesn't make sense but it's how I do it in my head lol.
Answer:
Multiplication is one of the four elementary mathematical operations of arithmetic, with the others being addition, subtraction and division. Multiplication is marked as an "x." A mathematical operation performed on a pair of numbers in order to derive a third number called a product. For positive integers, multiplication consists of adding a number (the multiplicand) to itself a specified number of times. Thus multiplying 6 by 3 means adding 6 to itself three times.
Step-by-step explanation:
