Is 813.1 a rational number? i need this asap pls it would b v appreciated

yes

Step-by-step explanation:

whole:1,2,3...

natrule: add a 0,1,2,3...

integers: -1,-2,-3,0,1,2,3...

ratinal: fraction,decimals,pecenteges,and all the above

It is a rational number, as it can be put into a fraction.

Step-by-step explanation: Math

answer: median

step-by-step explanation:

the median is the middle value when a data set is ordered from least to greatest

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for