please provide extra questions for class 8 exponent and powers, cube and cube roots, rational numbers and visualising solid shaped.. don’t p

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please provide extra questions for class 8 exponent and powers, cube and cube roots, rational numbers and visualising solid shaped.. don’t post ok or something else.. plz share questions only..​

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Raelynn 4 weeks 2021-08-16T21:22:17+00:00 1 Answer 0 views 0

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    2021-08-16T21:23:40+00:00

    Answer:

    Evaluate

    2-2

    (-2)-2

    (3/2)-5

    Simplify and express the result in power notation with positive exponent.

    (i) (-2)5 ÷ (-2)4

    (ii) (1/2)2 × (2/5)2

    (iii) (-5)2 × (3/5)

    Find the value of.

    (i)(40 + 4-1) × 22

    (ii)(3-1 × 9-1) ÷ 3-2

    (iii)(11-1 + 12-1 + 13-1)0

    Express the following numbers in standard form.

    (i) 0.0000000015

    (ii) 0.00000001425

    (iii) 102000000000000000

    Express the following numbers in usual form.

    (i) 34.02 x 10-5

    (ii) 9.5 x 105

    (iii) 9 x 10-4

    (iv) 2.0001 x 108

    Step-by-step explanation:

    hope it helps you

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