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You can create printable tests and worksheets from these Grade 8 Exponents questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Express using exponents: $5^9 xx 5^3$
1. $5^3$
2. $5^9$
3. $5^12$
4. $5^2$
Which of these is equivalent to $4^-3?$
1. $1/4 * 1/4 * 1/4$
2. $-4 *-4 * -4$
3. $3^4$
4. 12
Simplify: $4x^3 * x^3$
1. $x^6$
2. $4x^6$
3. $4^6$
4. $4x^9$
Simplify: $(14w^6)/(7w^2)$
1. $7w^4$
2. $2w^8$
3. $7w^16$
4. $2w^4$
Which of the following is equivalent to $h^8/h^3$?
1. $h^4$
2. $h^11$
3. $h^24$
4. $h^5$
Simplify: $m^3 * m^4$
1. $m^12$
2. $m^7$
3. $m^-1$
4. 7m
In the year 2000, Los Angeles, CA had a population of about 3,700,000 people. What is this number in scientific notation?
1. 3.7 x $10^-6$
2. 3.7 x $10^-5$
3. 3.7 x $10^5$
4. 3.7 x $10^6$
Convert to scientific notation.

321.45
1. $3.2145xx10^2$
2. $3.2145xx10^6$
3. $3.2145xx10^8$
4. None of the above
What is the expression of the following using exponents?

$2*2*2*2$
1. $2^4$
2. $2*4$
3. $4*2$
4. $4^2$
The term that is raised to the exponent
1. trinomial
2. base
3. simplify
4. variable
$(5^2)^3=$
1. $5^5$
2. $5^6$
3. $5^8$
4. $125$
Simplify the following expression (No negative exponents):
$(3x^6y^3)^3$
1. $6x^9y^6$
2. $9x^9y^9$
3. $9x^18y^9$
4. $27x^18y^9$
$4^16$ multiplied by $4^20$
1. $4^36$
2. $4^16$
3. $4^320$