Step-by-step explanation:
d=(3/4)-(1/4)=(5/4)-(3/4)=(7/4)-(5/4)=1/2
then it is an arithmetic sequence
by using this equation :
a(n) = a1 +(n-1)d
and we have : a1=(1/4), d=(1/2)
So:
Explicit formula: a(n) = (1/4) +(n-1)*(1/2)
<em>hope this helps </em>
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Answer:
and we have: a1=(1/4), d=(1/2)
7.125*10⁻⁹ = 0.000000007125
9/25
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a i thike mybe