Answer:
Yup that's a scientific number alright.
Step-by-step explanation:
The scientific notation 1019e-9 is same as 1019×10^-9 or 1019×10-9. Thus, to get the answer to 1019e-9 as a decimal, we multiply 1019 by 10 to the power of -9.
perimeter of the rectangle is 64
so
64=2(3y+2+2y)
32=5y+2
30=5y
6=y
PQ=3×30+2=92
i wish i could help-
