Answer: 210
<em>Step-by-step explanation: 70+70+70=210 and 40% for 210 students would add up to 120% of all students surveyed. Look if there is 70 students that's been surveyed that is 40% add 40% 3 times(40%+40%+40%)=120% of all students surveyed </em>
Answer:
-63
Step-by-step explanation:
After solving
we get value of x: 
Step-by-step explanation:
We need to solve the equation
and find value of x:
Solving:

Using the rule: if 
Since our base is equal i.e 4 so,

So, After solving
we get value of x: 
keywords: Solving Exponents
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Answer:
32.105
Step-by-step explanation:
have a good rest of ur day