You use the factor tree.
10
5 2 then you have 2 prime numbers and you have to multiply them together
I’d just say that you cannot know a method they have not thought you because they are your teachers and are expected to teach you this not to teach yourself
Answer:
Step-by-step explanation:
if we're estimating ,we're going to round up to 8 since you can multiply that easier. 25 times 8 is 200 so estimation will be around 200
You're performing this kind of transformation:

This kind of transformations translate the functions vertically k units up if k is positive, k units down if k is negative.
So, in your case, you translate the function 7 units down.