2 represents the thousands. Round the number after 2 which is 6. Since 6 is greater than 5, you round it up and you get 53,000.
Answer:
18:162
Step-by-step explanation:
1:9
1+9=10
(1×180)÷10= 18
(9×180)÷10=162
Answer:
answer is B
Step-by-step explanation:
Answer:
9.03x10^16---------1.5x10^-7 helium
2.709x10^24-------4.5 nitrogen
1.9264x10^28-------3.2x10^4 hydrogen
4.8782x10^14--------8.1x10^-10 xenon
Step-by-step explanation: i got it right PERIOD PURRRRR