Because without place value you might put the decimal in the wrong place and that will effect the answer big time.
Answer: -5 x -5
The exponent two means the other number multiplied 2 times, so the equation is -5 x -5. The answer to the equation is -25.
Hope this helped you out!
25.3, reflections do not change the length of something and if it can be mapped on to it they should be the same
I think the answer is D. But I am not sure if that's the right answer.
Answer:
k = 5
Step-by-step explanation:
Given
+ 
= 3 ( multiply through by 3 to clear the fractions )
k + 1 = 6 ( subtract 1 from both sides )
k = 5
