Answer:
x=6
Step-by-step explanation:
1. (2.4x10^3)x(3x10^x)=7.2x10^9. Divide both sides of the equation by
2.4 x 10^3)x3
which is 10^x = 10^6
2. 10^x = 10^6. since the bases are the same, set the exponents equal
x = 6
so the answer is x = 6
i hope it helpful
