I believe the correct answers from the choices listed above would be the first and the second option. The conversion factors that are to be used to convert from units of km/min to units of m/hr would be 60 min / 1 h and 1000 m / 1 km. Hope this helps.
Perctange is based on the total number. in this case you don't know it so you cant make such a guess.
Answer:
C
Step-by-step explanation:
1)Non- zeros (1,2,3,....) are always significant.
2)Captive zeros are significant too( zeros between non- zeros ).
3)Trailing zeros (zeros at the end) aren't significant always unless if there is a decimal point.
Such this question we have decimal point so we count them
Answer:
I think the answer would be C.)
