In mathematical operations with significant figures the answer must r<span>eflects the reliability of the least precise number. 225 has three significant figures, whereas 0.015 has two -leading zeroes are not significant figures, so our answer must have two significant figures to reflect the reliability of the number 0.015, which has two significant figures.
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We can conclude that <span> the number representing the amount of calcium in the liquid will have
two significant figures.</span>
Answer:
DE≈16.1
m<E≈60.3
m<D≈29.7
Step-by-step explanation:
28:13 is the answer i’m pretty for sure
Answer:
or 
Step-by-step explanation:
We can convert from mixed numbers to decimal numbers:

Since they cleaned up 8.2 kilograms of trash in one neighborhood and 11.5 kilograms in another neighborhood, the total trash they cleaned up was:

We know that they sent 1.25 kilograms to be recycled. Then, in order to calculate how many kilograms of trash they threw away, we must subtract the total kilograms of trash they cleaned up and the kilograms they sent to be recycled.
Then:
or 
Answer:
The school took in $52 on there second day by selling 3 senior citizen tickets and 2 child tickets. Find the price of a senior citizen
Step-by-step explanation: