You have 65 movies on your Netflix queue. In how many ways can you order them?
1 answer:
Ok so permuations
slot method basically
first slot is 65 options
2nd slot is 64 options
3rd slot is 63
...
65th slot is 1 option
basically the answer is 65! or 65 factorial which is about 8,247,650,592,082,470,666,723,170,306,785,496,252,186,258,551,345,437,492,922,123,134,388,955,774,976,000,000,000,000,000 or about 8<span> trigintillion</span> or in scientific notiotion,
slot method basically
first slot is 65 options
2nd slot is 64 options
3rd slot is 63
...
65th slot is 1 option
basically the answer is 65! or 65 factorial which is about 8,247,650,592,082,470,666,723,170,306,785,496,252,186,258,551,345,437,492,922,123,134,388,955,774,976,000,000,000,000,000 or about 8<span> trigintillion</span> or in scientific notiotion,
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In algebraic terms this is:
The integer is 2.
Answer:
Step-by-step explanation:
Given
x² - 3x
To make the expression a perfect square
add ( half the coefficient of the x- term )²
x² + 2( - )x +
, thus
x² - 3x +
= (x - )² ← a perfect square