Question

the table shows the number of customers who use two cell phone carriers. company number of customers dash 5.77 × 10^7 customers horizon 3.8 × 10^8 customers 3.223 × 10^8 customers 3.223 × 10^7 customers 1.97 × 10^8 customers correct an- swer: 3.223 × 10^8 customers 1.97 × 10^7 customers

Explanation:

Step1: Rewrite numbers in standard form

$5.77\times 10^{7}=57700000$ and $3.8\times 10^{8} = 380000000$.

Step2: Find the difference

$380000000 - 57700000=322300000$.

Step3: Write the result in scientific - notation

$322300000 = 3.223\times 10^{8}$.

Answer:

$3.223\times 10^{8}$ customers