Question 1 (2 points) What number(s) times itself gives you 121? Select all that apply.

Select 2 correct answer(s)
Question 1 options:

-1/121

-121

1/11

1/121

-1/11

121

11

-11

Answer : 11
You can use the calculator to check

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post