1) value of x =60
2) value of x = 3
Step-by-step explanation:
We need to use cross products to solve the proportions of x.

Solving:

So, value of x =60


So, value of x = 3
Keywords: Ratio and Proportions
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Answer:
a) 5y²
Step-by-step explanation:
5 divided by 1 is still 5
y^5/y^3 subtract the exponents since the base is the same
The answer is 2.34 x 10-11 g