Answer:
D) (5x - 3) (25x^2+ 15x + 9)
Step-by-step explanation:

You put the highest exponent power first, then you go down until you reach a regular number (a number with a variable goes before a normal number)
Ex: 5x^3+2x^2+4x+5
It would be 3.909769126x10^10 hope this helps and all you have to is convert to standard form if you want me to do that ill do it its no problem
Answer:
.
Step-by-step explanation:
Answer:
.999...
Step-by-step explanation:
99>64 just put a decimal