Algebra I Exponents and Scientific Notation

Evaluate the expression when x = -1 and y = 3:

x² + y² + x - y

• 6

• 8

• 12

• 16

6a + 2(c - b)
when a = 2, b = 1, c = 9

• 4

• -4

• 28

• 8

Simplify 5³⋅5⁴

• 5⁷

• 5⁻¹

• 5¹²

• 5

Simplify (2⁸)²

• 2¹⁶

• 2¹⁰

• 2⁶

• 2⁴

Anything raised to a power of zero is always: 

• 0

• 1

• itself

• negative

According to exponent rules, when we raise the power to a power we _______ the exponents.

• add

• subtract

• multiply

• divide

According to exponent rules, when we divide the expressions we _______ the exponents.

• add

• subtract

• multiply

• divide

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000

• 0.00043756

• 43,756

• 4,3756

How would you write 0.0005 in scientific notation?

• 50 x 10⁵

• 5 x 10^-4

• 5 x 10^-3

• .5 x 10³

Simplify using a positive exponent.
9^-3

• 9³

• 1/9^-3

• 1/9³

• 729