N = 10(2)^t where N = number of bacteria and t = time in multiples of 3 hours
So when t = 24/3 we have
N = 10 (2)^8 = 2560 answer
Answer:
The fifth term is -4
Step-by-step explanation:
The sequence has a common difference therefore, it is an arithmetic sequence
The formula for arithmetic sequence is
<em>where,</em>
<em>an is the nth term,</em>
<em>a1 is the first term,</em>
<em>n is the term number and</em>
<em>d is the common difference</em>
<u>Find the 5th term.</u>
an = a1 + ( n-1 ) d
a5 = 20 + ( 5-1 ) -6
a5 = 20+ ( -24 )
a5 = -4
Prime only has two factors one and its self a composite number has more factor than one and its self
exsample: 12 - 1,2,3,4,6,12 = 12 is a composite number
7 - 1,7 =prime number
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