Find the value of the expression I will give brainliest to who solves it.

1

Step-by-step explanation:

Oh I've had this one before on RSM

First you can split the into and

5 * -0.2 = -1

-10 * 0.2 = -2

You get:

it is ok do not worry about it my dude. have a good one

answers

\3. yes the presentation (i.e. odd numbers being written as differences of two squares) is possible for all odd natural number however the presentation may not be unique. for example,  57=112−82=292−28257=112−82=292−282.

\4. 2 can't be written as a difference of two squares because 4-1=3 and 1-1=0 and the difference of squares grows to integers larger that 3.

can i get some in proving questions 1 and 2?