23.1 can be estimated to 23 rounded to 20.
19.24 can be estimated to 19 rounded to 20.
The answer would be 42 which would be rounded to 40.
Answer:
X=6
Step-by-step explanation:
First step isolate the variable;2x=12
Simplify;x=12/2=6
Answer: 639
Step-by-step explanation:
Answer:
8*8*8= <em><u>8^3= 512</u></em>
Step-by-step explanation: