The number of users for some internet services provider has always averaged five thousands with a standard deviation of 800. after an equipment upgrade average number of users at hundred randomly selected moments of time is 5200. does it indicate at 5% level of significance that the mean number of users has increased

i used to know but i learned it a long time ago sorry

step-by-step explanation:

answer: a.   one is a factor of every whole number since every number is divisible by itself.

f

step-by-step explanation:

f

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents