Answer:
Step-by-step explanation: The purpose of scientific notation is to make the numbers and quantities used easier to comprehend, to read and to write.
Express both numbers with the same power of ten.
Add the base numbers.
Bring the power of ten down to represent the new power of ten for the sum.
Simplify so that the base number is between 1 and 10.
666/2= 333 Divide in half.
333 + 84 = 417 Add 84 to bench since its $84 more.
666 - 417 = 249 Subtract to get value of table.
Therefore, the table costs $249 and the bench costs $417.
Answer is 9(-2)=-18 but that choice doesn't appear in your list of answers
Three times the result of a number plus a number equals two times a number minus a number.
or
Three times the result of a variable plus a variable equals two times a variable minus a variable.
Answer:
17
Step-by-step explanation:
