Multiplying two exponents with rational powers, then simplifying

Interactive Video
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Mathematics, Science
•
11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step when using the power rule for exponents with the same base?
Multiply the exponents directly
Subtract the exponents
Divide the exponents
Add the exponents
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When combining exponents with different denominators, what is the first step?
Subtract the denominators
Multiply the exponents
Find the least common denominator
Add the numerators
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator of 2/5 and 1/4?
25
15
10
20
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might one prefer to express answers in radical form rather than fractional exponents?
Fractional exponents are more accurate
Fractional exponents are easier to understand
Radical form is more complex
Radical form avoids negative exponents
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of 12 * X^(13/20)?
12 * X^(1/2)
12 * X^(13/20)
12 * X^(3/4)
12 * X^(2/5)
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