Use your calculator to evaluate the following expression if x = 1.07, y = –4.12, and z = –3.76. Round your answer to the nearest hundredth.
z^2/xy
we are to show our work.
2007-05-29 15:33:06 · 5 answers · asked by lois g 2 in Science & Mathematics ➔ Mathematics
z^2/xy
(-3.76)^2 / [(1.07)(-4.12)]
= -3.21
2007-05-29 15:36:44 · answer #1 · answered by michael_scoffield 3 · 0⤊ 0⤋
z^2/xy
1)plug in your numbers
(-3.76)^2/1.07(-4.12)
2) and your answer is..
-54.43636636
3) round
-54.4 or just -54
2007-05-29 22:39:21 · answer #2 · answered by Anonymous · 0⤊ 0⤋
type it into the calculator
make sure when you do z^2, you type in (-3.76)^2
2007-05-29 22:36:21 · answer #3 · answered by jkicker 3 · 0⤊ 0⤋
Add to Michael's answer:
Include "*" between the last two bracketed items! (Note: the quote signs do not get included; they are just used to talk about the asterisk -- calculator multiply.)
2007-05-29 22:40:23 · answer #4 · answered by Keith A 6 · 0⤊ 0⤋
(- 3.76)² / (1.07 x (- 4.12))
= (14.1376) / (- 4.40840)
= - 3.21
2007-05-30 04:23:32 · answer #5 · answered by Como 7 · 0⤊ 0⤋