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Find from student what the first step is (get a or b in terms of the other).  

a = 2.8 x10^5 = 0.28x10^6

a + b = (0.28 + 1.6) x 10^6

= 1.88 x10^6

ii)

Know that a^x x b^y...

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If you have the option to choose from a selection of poems, choose one that you think you can understand, in a style with which you are familiar.  While reading the poem, highlight as many literary device...