Question 4: If I invest £1000 in a bank account with an interest rate of 10% per year (compounded). Draw a time-line to represent the value at
time = 0, time = 1yr and time = 2yrs. (Please look up compound interest)
t=1
t=2
t=0
£1000

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."

there should be an link icon on the bottom of the text box you get. it looks like a paperclip!

hi,

the area of abcd is 245.

3*24=230

4*94=1039

2*12=24

add all of them up, you get 2450

do a back flip do it do it doit