Respuesta :
Answer:
23
Step-by-step explanation:
1 milllion is a thousand
That's 10^6
10=2*5
1 million= 2ā¶ times 5ā¶ or 2*2*2*2*2*2*5*5*5*5*5*5
billion is 1000 times that so
That's 10ā¹ so prime factors are 2ā¹ times 5ā¹ or
2*2*2*2*2*2*2*2*2*5*5*5*5*5*5*5*5*5