1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Arlecino [84]
3 years ago
15

Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminu

m that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm^3. Show all calculations leading to an answer.
Mathematics
1 answer:
KIM [24]3 years ago
6 0
The answer is 172.8 g.

The volume of the cube (V) is:
V = a³            (a - the side of the cube)

The density (D) <span>is quotient of mass (m) and volume (V):
D = m/V = m/a</span>³
⇒ m = D · a³
<span>

It is given:
D = 2.7 g/cm</span>³
a = 4 cm
Therefore:
m =  D · a³ = 2.7 · 4³ = 172.8 g
You might be interested in
A triangle has a base of 14 inches and<br> a height of 11 inches. Find the area.
DanielleElmas [232]

Answer:

77

Step-by-step explanation:

area triangle=half*base*height

14*11/2

154/2=77

7 0
2 years ago
Write seventeen thousand and one hundred six thousand in standard form
Zigmanuir [339]
17000.106 is how you write the number above in standard form

6 0
3 years ago
Factor the quadratic expression completely.<br> -3x^2 + 17x - 20
Luba_88 [7]
Answer- -(x-4)(3x-5)

Work- -3x^2+12x+5x-20
-3x(x-4)+5(x-4)
7 0
2 years ago
Lily is buying candy for party favors. She needs 1.5 pounds of chocolates, 0.75 pounds of mints, and 15 lollipops. What is the t
swat32

Answer:

<h2>The answer is B. $8.82</h2>

Step-by-step explanation:

given data

mints $0.96 per pound

chocolates $4.70 per pound

lollipops $0.07 each

cost of each items based on the amount item

mints $0.96*0.75= 0.72

chocolates $4.70*1.5=7.05

lollipops $0.07*15=1.05

total cost= 0.72+7.05+1.05

total cost=$8.82

8 0
3 years ago
Write the equation in slope-intercept form.
professor190 [17]
Y - 11 = 3(x + 4)....distribute thru the parenthesis
y - 11 = 3x + 12....add 11 to both sides
y = 3x + 12 + 11...simplify
y = 3x + 23 <==
4 0
3 years ago
Other questions:
  • Please help I really need it
    8·1 answer
  • Solve: |x + 9| User: Evaluate 5|7 - 9| - 2.<br> -12<br> 0<br> 1<br> 8
    13·2 answers
  • Steve watched television for 3/4 hour on Monday and 5/6 hour on Tuesday. how many hours did he watch television on both days
    8·1 answer
  • There are 3 red hair teachers, 12 brown, 16 black, 8 gray, and 20 blonde. For every ___blonde hair teacher there are ___brown ha
    11·1 answer
  • Evaluate the given algebraic expression for x=3 and y=3 x^2y^2
    13·1 answer
  • Please help this is the third time ive asked this :(
    5·1 answer
  • Fill in the missing number:<br> 497 +<br> = 1,404
    15·2 answers
  • if a bike race covers 120 mi over 6 days and the cyclists ride the same distance every day how many miles does each cyclist ride
    10·1 answer
  • 7)
    10·1 answer
  • PLEASE HELP ASAP ! <br> Pictures are linked below thank you
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!