alinaluis82 alinaluis82

14-07-2016
Mathematics

contestada

What is the value of the four term in a geometric sequence for which a1=10 and r=0.5

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olemakpadu olemakpadu

16-07-2016

Since it is Geometric, first term = 10, common multiplying ratio = 0.5

a₁ = 10

a₂ = 10*0.5 = 5

a₃ = 5*0.5 = 2.5

a₄ = 2.5*0.5 = 1.25

The value of the fourth term = 1.25

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