In order to get the sum of 2.7 and 2.47, we will add both numbers. So, 2.7 plus 2.47 would be 5.17. And the correct number of significant digits in this number is still the same, 5.17, so we have three significant numbers. Why? There are three rules in identifying the significant figures: 1. Non zeros are always significant (which this applies in our sum above). 2. Any zeros in between significant numbers are always significant. 3. <span> The final zero or zeros in the decimal portion only are significant.</span>
Maintain a 5-8 seconds space margin ahead when following motorcycles, large trucks, school buses or trucks carrying flammable liquids.
<h3>What are Flammable substances?</h3>
These are substances which will burn in air when ignited. Ignitions can be caused by sparks which occur when an accident occurs.
it is however safer to maintain a a 5-8 seconds space margin when following vehicles conveying such products in order to prevent being caught up in the fire and also for easy manipulation in case it occurs.
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Answer:
epidemic
Explanation:
pandemic is much bigger and kill more people
Answer:
Here is the opportunity for
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since you need another answer
Explanation:
The answer to this is hydrocarbons