Q12 of 55 Page 33

By what number should be divided so that the quotient may be?

Let the number be x,










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Find the value of x for which

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By what number should (-6)-1 be multiplied so that the product becomes 9-1?

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If , find the value of x.

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Write each of the following numbers in standard form:

(i) 57.36


(ii) 3500000


(iii) 273000


(iv) 168000000


(v) 4630000000000


(vi) 345 x105