Gotta be red like mine. Right????
Answer: − 18 x= 72
Step-by-step explanation:
Answer:
where is the picture?
Step-by-step explanation:
Answer:
Step-by-step explanation:
hello : note 297 no 279
297 =3×99
99 = 3 ×33
33=3×11
this the geometric sequence. ( comon : 3)
the nth term is : An = A1 × r^n when : r = 3 and A1 =11
if n = 19 A19 = 11×3^19