Honors Unit 1 Summative EVEN

• -40x^6y^3

• 40x^6y^3

• -40x^5y^3

• 40x^5y^3

• xy^~6

• xy

• 480

• 4800

• 48000

• 480000

• 0.000026

• 0.00026

• 0.0026

• 0.026

6. Write the number 5,500,000 in scientific notation.

• 5.5 x 10^6

• 5.5 x 10^5

• 55 x 10^5

• 0.55 x 10^7

7. Write the number 0.0000054 in scientific notation.

• 5.4 x 10^6

• 5.4 x 10^-6

• 5.4 x 10^7

• 5.4 x 10^-7

• 3.6 \times 10^2

• 3.6 \times 10^3

• 3.6 \times 10^4

• 3.6 \times 10^5

What is the result of expanding and simplifying the expression -3x(-x^2 - 2x)?

• 3x^3 + 6x^2

• -3x^3 - 6x^2

• 3x^3 - 6x^2

• -3x^3 + 6x^2