What is the 50th term of the sequence that begins -6, 0, 6, 12?

Add 6 every times
1st term is -6
an=a1+d(n-1)
d=common differnece
a1=first term
an=-6+6(n-1)
50 term is
a50=-6+6(50-1)
a50=-6+6(49)
a50=-6+294
a50=288

288 is 50th term

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.