How many meters is 7.3 kilometers? 1km=1000m

7,300 meters

Step-by-step explanation:

7.3×1000 = 7300

A polynomial is defined as a collection of variables and constant terms combined by various mathematical operations. The exponents of the variables in a polynomials must be non-negative integers.

If you observe the given options, one of the option (option B) contains a negative exponent. Hence the expression in option B is not a polynomial.