2 units i believe but not entirely sure
Commutative Property is used here
So you first multiply the fractions: 2/5 times -1/5 = -2/25; then the a's: a^2 times a equals a^3; then multiply the x's: x times x^2 equals x^3.
The answer would be -2/25a^3x^3
Wouldn't it be 5000+500+0.600+0.040.
