Pre-Algebra Midterm Exam Review 2024

Rewrite the expression 2^-4 using only positive exponents.

• 2^4
• 1/8

• 2^-2
• 1/16

Rewrite the expression 3^-6 x 10^2 using only positive exponents.

• 3^-2 x 10^-6
• 10^2 / 3^6
• 10^6 / 3^2
• 3^6 x 10^2

Rewrite the expression 8^-2 x 3^0 x 3^-3 using only positive exponents.

• 1/(8^2 * 3^3)
• 8^2 * 3^3
• 1/(8^2 * 3^0)
• 8^-2 * 3^3

Write the value 42,800 in scientific notation.

• 4.28 x 10^3
• 42.8 x 10^3
• 4.28 x 10^5
• 4.28 x 10^4

Write the value 0.0074 in scientific notation.

• 7.4 x 10^-3
• 74 x 10^-5
• 0.74 x 10^-2
• 7.4 x 10^3

Write the value 0.000000078 in scientific notation.

• 0.78 x 10^-7
• 7.8 x 10^8
• 78 x 10^-9
• 7.8 x 10^-8

Write the value 5.76 x 10^-2 in standard form.

• 0.0576
• 5.76
• 0.00576
• 0.576

Write the value 8 x 10^3 in standard form.

• 800
• 80
• 8000
• 80000

Write the value 6.3 x 10^-6 in standard form.

• 0.0000063
• 0.000063
• 0.00063
• 0.000006

Evaluate each expression: √64