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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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:
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