Step-by-step explanation:
80 times 2 is 160
Therefore, 100 times 2 is 200
You multiply the denominator and numerator by the same number.
Answer:
Explanation:
first term, a₁ = 1
difference between the terms: -3
- used geometric formula :

<u>where "a₁ is first term" and "r refers to common difference"</u>
- formula for this nth term:

Answer:
13
Step-by-step explanation:
Answer: The answer is 2.
Step-by-step explanation: If you have 2 minuses together, then that actually means a plus. -7+9 is 2.