11000000000
1.1 x 10^10
Billion has 9 zeros.
You are expected to memorize the general shape of the sine function, including where the peaks and zero crossings are. The graph shows you the value of
sin(270°) = -1
If the decimal is 1.2727272727272727 and repeating like that, then the fraction is 14/11
If the fraction is 1.27777777777777 and repeating like that, then the fraction is 23/18
242wjshsjshshshshsshsnsbsbs
Hopefully this helps you ..