Answer:
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Step-by-step explanation:
Answer:
a(n) = 10n-1 (the second one)
Step-by-step explanation:
we use formula
a(n) = a +(n-1)d (a= the first number in the, n=the times we need, d= difference)
a=9
d=9-19=10
a(n) = 9 +(n-1)10
a(n) = 9 +10n-10
a(n) = 10n-1 (the second one)
I hope it will help
Answer:
531441 = 3^2*3^4*3^6
9 = 3^2
81 = 3^4
729 = 3^6
Step-by-step explanation:
Answer:
7610 m
Step-by-step explanation:
600m = 600m
7km = 7000m
1000cm = 10m
The required distance = 600 + 7000 + 10 = 7610 m