Find the square. Simplify your answer.

j^2+2j+1

Step-by-step explanation:

(j+1)(j+1)=

=>j^2+j+j+1

=>j^2+2j+1

Hope this helps! ;)

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)

answer: 0

step-by-step explanation: the positive, like 5, + its opposite, like -5 would be 0

5+(-5)=0, or 5-5=0