Answer:
no (n+1)^2 equals n^2+2n+1
Step-by-step explanation:
because the exponent makes it so you multiply n+1 and n+1
Answer:9090
it is simple you just need to multiply by 2
2 weeks are 14 days so
42÷14= 3
Answer:
28 numbers
Step-by-step explanation:
There is a distance of 81 between -0.5 and 80.5. Divide this number by 3, since you are only counting every third number and you will get 27, but you need to count the first number, which has been excluded. Add one more to get the answer, 28.
