Two calculators gave different answers to the calculation

1

• Two calculators gave different answers to the
  calculation
• What are the two answers?
• Can you explain how the different answers were
  calculated?
• Which answer is correct? Why?

2 4 x 6
2

• (52 7)
• (22 1)
• What are the important steps in this calculation?
• What would you do first? Why?
• How would you continue to find the answer?

3
If a 3, find the value of What are the
important steps in this calculation? What would
you do first? Why? How would you continue to
find the answer?
2 5a
4

• Explain the difference between

2n and n2
3(c5) and 3c5