evaluate this expression 3(9/4) the 9/4 is written as an exponet over the three
2006-11-01 09:12:42 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
dose anyone know the answear
2006-11-01 09:17:22 · update #1
Ok...
When an exponent isn't a fraction, you know that it means raise it to that power.
When an exponent is a fraction, it means take that root of the number. So, this is really (3^9)^1/4,
or the 4th root of 3*3*3*3*3*3*3*3*3
The 4th root of 3*3*3*3 is obviously 3, and you have this twice under the square root symbol. That means you need this squared. Then, you still have one left, so the answer is:
9 * the fourth root of 3
Hope this helps!
2006-11-01 09:19:05 · answer #1 · answered by Spanky M 2 · 0⤊ 0⤋
The expression is 3 to the (9/4) power. In other words, 3 to the 9th power divided by 3 to the 4th power
=19683/1.316074013
= 14,955.85
If you have a good hand calculator you can obtain this result directly, without having to obtain the intermediate ones.
2006-11-01 17:57:23 · answer #2 · answered by Anonymous · 0⤊ 0⤋
3^9/4
(3^9)^1/4
u can take 8 time the 3 out as 2 threes as it is the power of 1/4
so
ans
9*(sqrt)(3)
2006-11-01 17:17:41 · answer #3 · answered by Anonymous · 0⤊ 0⤋
That is the same thing as the 4th root of 3 to the 9th power.
2006-11-01 17:16:04 · answer #4 · answered by girl909e 2 · 0⤊ 0⤋
um what?
2006-11-01 19:30:24 · answer #5 · answered by mohenjo ♥ daro 1 · 0⤊ 0⤋