To find square numbers, you multiply the number by itself.
For example:
5 x 5 = 25
10 x 10 = 100
Answer: 7.3
Step-by-step explanation:
Do the parentheses first!
4-7= -3
Then, multiply -3 by 2
-3×2= -6
Next,
-6-6.7= -12.7
Then, add -12.7 to 20
-12.7+20=7.3
Your answer is 7.3
Answer:
23
Step-by-step explanation: