IF THE INITIAL VALUE OF A SEQUENCE IS 6 AND THE COMMON DIFFERENCE IS 6, WHAT IS THE 7TH ELEMENT?
FIND THE 7TH ELEMENT
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Using the formula where a0 is the initial value and an is the 'nth' term, while 'd' is the common difference:
a7 = a0 + (n-1) x d = 6 + (7-1) * x 6 = 6 + 36 = 42