nate1808
17.02.2021 •
Mathematics
Simplify 11 to the negative 4th power over 11 to the 8th power. (4 points)
Group of answer choices
1 over 11 to the 12th power
1 over 11 to the 4th power
114
1112
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Question 34 pts
Simplify 2 to the 5th over 3 squared all raised to the 4th power. (4 points)
Group of answer choices
2 to the 20th over 3 to the 8th
2 to the 9th over 3 to the 8th
8 to the 5th over 12 to the 2nd
2 over 3 to the 2nd
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Question 44 pts
In which expression should the exponents be multiplied? (4 points)
Group of answer choices
2 to the 9th over 2 to the 7th
(610)−7
one half to the 3rd times one half to the 5th
52⋅ 54
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Question 54 pts
Which expression is equivalent to (53)−2? (4 points)
Group of answer choices
1 over 5 to the 3rd
negative 1 over 5 times 5 times 5 times 5 times 5 times 5 times
53
1 over 5 times 5 times 5 times 5 times 5 times 5 times
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Ответ:
(sample response)
Algebra tiles would not be a good tool to use to factor the trinomial because you would need to drag an x-squared tile, 18 x-tiles, and 80 plus tiles. That is a total of 99 tiles. It would take a lot of time to drag that many tiles on the board and there might not be enough space to hold all of them. You would also need to determine how to arrange all those tiles to make a rectangle. Since 80 is a multiple of 10, you might recognize that 10 and 8 are the factors that add to 18, which would give you the values to use in the X method.