Answer:
8. and 1
9. and -5
Step-by-step explanation:
Hope this helps ;)
A vector in standard position has its terminal point at (–10, –4). What is the approximate direction angle of the vector?
2 answers:
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Answer:
≈ 1833
Step-by-step explanation:
To find ratio of proton mass to electron mass, we have to divide.
The numbers are given in <em>scientific notation</em>.
Let a number be and another be
, when we divide, we will follow the rule shown below:
Now, we use the information given to find the ratio:
This means we can find the number by taking 4 decimal places to the right, so that would becomes:
The approximate ratio is 1833 [mass of proton is around 1833 times heavier than mass of electron]