Answer:
7.81*10^11
Step-by-step explanation:
1.86*10^5=186,000
186,000*4,200,000=7.81*10^11
Answer:
39
Step-by-step explanation:
What number is m and what number is n?
Answer:
8 =x
Step-by-step explanation:
2x+9=3x+1
Subtract 2x from each side
2x-2x+9=3x-2x+1
9 = x+1
Subtract 1 from each side
9-1 = x+1-1
8 =x