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Simplify: a) 8888+888+88+8 (b) 715...

Simplify: a) `8888+888+88+8` (b) `715632-631104-9874-999`

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8 + 88 + 888 + 8888+ 88888

? = 0.8 + 0.88 + 0.888 + 0.8888 + 0.88888

Knowledge Check

  • Simplify 1856+3287+8432+9.999+18.888

    A
    `10453.887`
    B
    `10435.887`
    C
    `16303.788`
    D
    `13603.887`

  • 8 + 88 + 888 +…n terms =

    A
    `(80)/(81)(10^(n) - 1) - (8n)/(9)`
    B
    `(10)/(81) (10^(n) - 1)`
    C
    `(80)/(81) (10^(n) - 1) + (8n)/(9)`
    D
    none of these

  • Simplify : 2^(4) div 2^(-1) A. 1/32 B. 16 C. 32 D. 8

    A
    B
    B
    A
    C
    C
    D
    D

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