Answer:
3



If any numbers or constant power is zero then it will be 1
Answer:
??
Step-by-step explanation:
Usually the easiest way to solve this is by using a calculator. Of course only if your teacher allows you too.
X^2-5x+5x-25 (multiply (x-5) with (x+5))
X^2-25 ( -5x+5x =0)
Answer: 4.7 is 10 as much as the number 0.47.
If you multiply 0.47 x 10 it will equal 4.7