Find the product:

(5/3)(2/3)(21/1)

i preset 21, but !

Step-by-step explanation:

Given a fraction and a fraction , you can find the product by multiplying the numerator of the first fraction by the numerator of the second fraction and the denominator of the first fraction by the denominator of the second one:

Therefore, knowing this you can find the product of the fractions :

And finally you need to reduce the fraction:

Final answer is .

Step-by-step explanation:

Given expression is :

Now we need to find their product. In other words simplify it

We can multiply numerator with numerator. Then denominator with denominator

So the final answer is .

b.an increase in a causes b to decrease