Wednesday, January 19, 2011

Factors (lesson 1)

Watch the following videos and complete the task that follows.

Video 1 Prime Factorisation






Video 2: Index Notation





Find the prime factors of the following, where possible express your answers in index notation
(a) 1432
(b) 131
(c) 11760
(d) -48
post your answers under comment

8 comments:

  1. 2^3 × 179
    131
    2^5 × 3 × 5^2 × 7^2
    2^4 × −3

    x^y=x to the power of y

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  2. This comment has been removed by the author.

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  3. a) 2^3 × 179
    b) 131
    c) 2^4 x 3 x 5 x 7^2
    d) 2^4 x -3

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  4. a) 2^3x179
    b) 131
    c) 2^4x3x5x7^2
    d) 2^4x-3

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  5. Q1a)1432=2^3x179
    Q1b)131=131
    Q1c)11760=2^4x3x5x7^2
    Q1d)-48=2^4x-3

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  6. a. 2^3 × 179
    b. 131
    c. 2^5 × 3 × 5^2 × 7^2
    d. 2^4 × −3

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  7. a)2^3,179
    b)131
    c)2^4,3,5,7^2
    d)2^4 x -3

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  8. a)2^3 x 179
    b)131
    c)2^4 x 3 x 5 x 7^2
    d)-2 x 2^3 x 3

    ReplyDelete