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Help with standard form

[From: ] [author: ] [Date: 12-09-28] [Hit: ]
p x 10(to power 15) + q x 10(to power 15) = r x 10(to power n).a. Find the value of n.b. Find an expression for r in terms of p and q.Since p+q > 10,......
Each of the numbers p, q and r is greater than 1 and less than 10.
p x 10(to power 15) + q x 10(to power 15) = r x 10(to power n).
p + q > 10

a. Find the value of n.
b. Find an expression for r in terms of p and q.

-
p x 10^15 + q x 10^15 = r x 10^n
(p+q) x 10^15 = r x 10^n

Since p+q > 10, if you want r in the range 1 < r < 10, then

a) n = 16 and
b) r = (p+q)/10
1
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