Q14 of 25 Page 2

Find the value of x for which.


[Using n ÷ m = ᵐ–n]


Equating coefficients when bases are equal.






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13

If x=, find the value of x-2.

 13

If x = , find the value of x-1.

 1

Express the following numbers in standard form:

(i) 6020000000000000


(ii) 0.00000000000942


(iii) 0.00000000085


(iv)


(v)


(vi) 0.00072984


(vii) 0.000437


(viii)

2

Write the following numbers in the usual form:

(i)


(ii)


(iii)


(iv)


(v)


(vi)


(vii)


(viii)