The explicit rule for the geometric sequence is in the form,
an = (a1)^(r -1)
where an is the nth term, a1 is the first term, and r is the common ratio. Substituting the known terms from the given above, we arrive to the explicit form of the sequence which is,
an = 49^(3 - 1)
Answer:a+b
Step-by-step explanation:
You can use the variables a and b to solve your equation if you need
They traveled 416.25 miles
we now that they travel 55.5 in one hour and we know they traveled 7.5 hours, so multiply 7.5*55.5
which gives you 415.25 miles