Question

simplify each of the result as a rational number in standard form -5/9×72/-25​

Answer 1

Answer:

8/-5

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Answer 2

There are two methods you can use. I am mentioning both of them and you can choose any one of them.

Method 1

Step 1 ⇒ First we multiply the numbers

$\frac{-5}{9} *\frac{-72}{25} = \frac{360}{225}$

Step 2 ⇒ We simply the following

$\frac{360/5}{225/5} = \frac{72/3}{45/3} = \frac{24/3}{15/3} = \frac{8}{5}$

Method 2

Step 1 ⇒ Cross multiply

$\frac{-5}{9} *\frac{-72}{25} = \frac{-5/5}{9/9} *\frac{-72/9}{25/5} = \frac{-1}{1} *\frac{8}{5}$

∴The answer is $\frac{8}{5}$.