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.
The answer should be 4.5. Hope this helps you out.
area= lxw multiply all sides
