express in terms of x and or y, 2^p+q , when x=2^p and y = 2^q?

Answer 1

With powers the general rule is:

a^(b+c) = (a^b) x (a^c)

for example

2^7 = 2 x 2 x 2 x 2 x 2 x 2 x 2

which is the same as

(2 x 2 x 2) x (2 x 2 x 2 x 2) = (2^3) x (2^4)

with your question

2(p+q) = (2^p) x (2^q) = x + y

Answer 2

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Answer 3

One of the laws of exponents says that :
a^p * a^q = a^(p + q)

Replacing 'a' with '2' gives :
2^p * 2^q = 2^(p + q)

But x = 2^p and y = 2^q.
Therefore, 2^(p + q) = xy.

Answer 4

2^(p+q)
=2^p . 2^q
= xy

Answer 5

Ooh looks tricky! Are you stuck on your maths homework?! I remember doing that at school- Nightmare!! hehe

Answer 6

2ys-ur-2ys-ub-ic-ur-2ys-for me.