7b^3 x 4b^4
2007-02-26 03:11:00 · 7 answers · asked by Nic 2 in Science & Mathematics ➔ Mathematics
On b^3*b^4, your just adding the terms. The only way the terms could be multiplied out is by this:
(b^2)^2=b^4
Here's how the problem should look like:
28b^7
I hope this helps!
2007-02-26 03:21:29 · answer #1 · answered by Anonymous · 4⤊ 0⤋
7b^3*4b^4=
28b^7
2007-02-26 03:25:49 · answer #2 · answered by Oni 2 · 1⤊ 0⤋
7x4=28---b to the power 3multiplied by b to the power 4 is b to the power 3+4= 7 So the answer is 28 b^7
2007-02-26 03:27:04 · answer #3 · answered by ganesan n 2 · 1⤊ 0⤋
as per laws of exponents
28b^7
as 7 = 3+4
2007-02-26 03:29:20 · answer #4 · answered by sushobhan 6 · 1⤊ 0⤋
Rule is to add indices when multiplying.
= 28b^(3) x b^(4) = 28b^(7)
2007-02-26 03:38:43 · answer #5 · answered by Como 7 · 1⤊ 0⤋
28b^7
2007-02-26 03:27:21 · answer #6 · answered by SS4 7 · 1⤊ 0⤋
ans. is 28b^7
you add the power
2007-02-26 03:46:17 · answer #7 · answered by antonello m 2 · 1⤊ 0⤋