There are two of them:
1). (n * a) means n + n + n + n + n + n + n + . . . 'a' times.
2). (n * a) also means a + a + a + a + a + a + a + a + . . . 'n' times.
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Answer:
9.4.
Step-by-step explanation:
9^2 = 81 and 10^2 = 100
So the value of the square root of 89 is between 9 and 10.
The gap between the squares is 100-81 = 19 and the gap between 89 and 81 is 8 so an estimate of the square root would be 9 + 8/19 of the gap between 9 and 10.
9 + 8/19 = 8.42.
R is common ratio
d is common difference
n=which term or the tern number
an is the nth term or the value of the nth term
a1=first term
so it would be
c
d
a
b
e
Answer:
8516 meters
Step-by-step explanation:
