Unit 2 Test (Pre-Algebra)

Front

What is the expression for 4 divided by the sum of a number and 12?

Back

4 / (n + 12)

Front

Simplify (-7y^2)(5y^4).

Back

-35y^6

Front

What is the GCF of 14 and 28?

Back

14

Front

Solve: (2.1×10^2) × (3.0×10^4).

Back

6.3 x 10^6

Front

What is (9.6×10^-8) ÷ (2×10^-15)?

Back

4.8×10^7

Front

Define GCF (Greatest Common Factor).

Back

The largest positive integer that divides two or more integers without a remainder.

Front

What is the product of two powers with the same base?

Back

Add the exponents: a^m × a^n = a^(m+n).

Front

What is the quotient of two powers with the same base?

Back

Subtract the exponents: a^m ÷ a^n = a^(m-n).

Front

What is scientific notation?

Back

A way to express numbers as a product of a number between 1 and 10 and a power of 10.

Front

How do you multiply numbers in scientific notation?

Back

Multiply the coefficients and add the exponents: (a × 10^m) × (b × 10^n) = (a × b) × 10^(m+n).