need help on c++

[richcohen]

Write a C++ program:
– Use cin to input two real numbers: 123.4567898, 0.0000345.
– Display these two numbers with scientific notations.
– Compute the sum of these two numbers.
– Display the result by setting:
• the display width is 20,
• fill ’X’ with empty spaces,
• precision is 4,
• left-justify

[Angeljruiz]

What do you have already? Nobody on this site is going to do your homework for you

[richcohen]

i'm new to c++ and i only know some stuff but not a lot. can you help me out...thanks