8th grade math midterm

Front

Solve for x: 2x - 9 = -35

Back

-13

Front

2x + 4x = 27 + 3

Back

5

Front

Anything raised to a power of zero is:

Back

1

Front

According to exponent rules, when we multiply two powers with the same base, we _______ the exponents.
Example: c⁶ ⋅ c⁴

Back

add

Front

(2⁸)²

Back

2¹⁶

Front

When multiplying exponential expressions with the same base, what happens to the exponents?

Back

they are added together

Front

How would you write 564,000,000 in scientific notation?

Back

5.64 x 10⁸

Front

What is .0002 in scientific notation? Options: 2.0 x 10^-2, 2.0 x 10^-3, 2.0 x 10^-4, 2.0 x 10^-5

Back

2.0 x 10^-4

Front

Solve: 3 - 5x = -9 + x

Back

2

Front

Solve for x:
5x - 14 = 8x + 4

Back

x = -6