Answer:

Step-by-step explanation:
=> 0.000000012
Moving the decimal point after 1st non-zero digit:
=> 
(n+2)(n+6)
Graph for x-intercepts, or find what adds up to b and multiples to c using formula ax^2+bx+c
B.2/8
C.6:26 <-------divide numerator and denominator by 2......= 3/13
D.12/52 <------divide numerator and denominator by 4..... = 3/13
E. 5/24
F. 1.5 to 6.5 <-------divide numerator and denominator by .5.......= 3/13
Hope this helps.