Answer: £245
Step-by-step explanation:
24.5 hours from wednesday to saturday
24.5 X 10 = 245
<span>2.31*10-^3 using scientific notation
= 0.00231</span>
An arithmetic sequence (a_n) is as follows:

where

is the first term and d is the constant difference,
thus, we see that the n'th term of an arithmetic sequence is

in our particular case d=5, the third term is 8, so we have:

and the general term is

,
Answer: first term is -2, n'th term is -2+5(n-1)
Answer: -3060
68
-45
--------
340
272x <-- the x is in place of a zero
--------
3060
times the negative: -3060