Answer:
{31, 0, 28, -27} are integers
{2pie, 25square root 3, 3.141592653..., square root 48} are irrational numbers
{
The piece of plastic have dinmensions of 1mm by 10mm
3^n=27
Solve Exponent.
3^n=27
log(3n)=log(27)(Take log of both sides)
n*(log(3))=log(27)
n=log(27) / log(3)
n=3
1/10 currant
2/5 is cherry × 2 to get it out of 10
so 4/10 (cherry) + 1/10 (currant) = 5/10 so 5 raisins