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abey_27

7 × 10^6 divided by a × 10^n is equal to 8.75 × 10^9

a is greater or equal to 1 but less than 10. n is an integer.

Find the value of a and the value of n.

thank you

Reply 1

webbers

If you rearrange to make a x 10^n the subject and numerically calculate the other side, that'll give you an answer in standard form, hence what a and n are.

Reply 2

fps_cam

a= 4/5, n=2/3
because 7 divided by 4/5 =8.75
and 6 divided by 2/3 = 9

Reply 3

neomilan

fps_cam i dont think you are right...

If you rearrange it you will get:

a x 10^n = (7 x 10^6)/(8.75 x 10^9)

divide the two and you should get a nice fraction which will give you two nice numbers for a and n

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