So, the prime factors of 100 are written as 2 x 2 × 5 x 5 or 22 x 52, where 2 and 5 are the prime numbers. It is possible to find the exact number of factors of a number 100 with the help of prime factorisation. The prime factor of the 100 is 22 x 52.
Answer:
-5
Step-by-step explanation:
Let the number be n
Three times the number: 3n
Subtracted from 2: 2-3n
Twice the number: 2n
Added to 27: 27+2n
2-3n = 27+2n
-25 = 5n
n = -5
Remark
To find any common denominator, write down all the prime factors and pick out what you need to make an LCD.
Method
x has one x
2x^2 = 2 * x * x
Your LCM is
one 2
two xs.
LCM = 2*x*x
LCM = 2x^2
Answer: 5) r = 5, 8th term = -78,125
6) r = 5, 8th term = -312,500
7) r = 5, {1, 5, 25, 125, 625}
8) r = 5, {-4, -20, -100, -500, -2500}
<u>Step-by-step explanation:</u>
The explicit formula of a geometric sequence is: 
, where;
- n is the number of the term
- a₁ is the first term
- r is the common ratio
