Adding and Subtracting with Exponents

Simplify: 4x⁴ - 3x⁴

• 7x⁴

• x⁸

• x⁴

• 7x⁸

15t⁸ - 7t⁸

• 8t⁸

• 1

• 15t⁸ - 7t⁸

• 8t¹⁶

What is the ONLY thing that matters when adding and subtracting numbers in scientific notation?

• That the exponents are different

• That the constants are the same

• That the exponents are the same

• That both constants are positive

In what types of problems do you have to make sure the exponents are the same before beginning to compute?

• Adding and Subtracting

• Multiplying and Dividing

• Subtracting and Dividing

• Adding and Multiplying

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 2x² + 5x -7

• -2x² + 11x -4

Add or Subtract to Simplify:

(4x²+ x) - (x² -2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

The power of a product property combines exponents with the same base by ____________ the exponents.

• Adding

• Subtracting

• Multiplying

• Dividing

The quotient of a power property combines exponents with the same base by ____________ the exponents.

• Adding

• Subtracting

• Multiplying

• Dividing