Answer:
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Answer:
2294 balls is the approximate number of balls
Step-by-step explanation:
Find the volume occupied a ball of radius 3inches
Volume of a sphere=4/3 
×r³
where r is the radius in inches
4/3× ×3³ = 36
=113.11 in³
Find volume of a rectangle prism
v=l×w×h where l is length of prism, w is width of prism and h is height of prism
L=10ft=10×12=120 inches
w=5ft=5×12=60 inches
h=3ft= 3×12= 36 inches
v=120×60×36=259200 in³
Number of balls needed
N=volume occupied by a single ball/volume of the rectangular prism
N=259200/113.11 =2291.57⇒2292 balls
Answer:
the last answer is what a unit rate is.
Equation: <span>3b+4b^2-a^3
Given: </span><span>a=3 & b=-5
Plug 3 in for (a) and -5 in for (b):
</span><span>3(-5)+4(-5)^2-(3)^3
</span>
Now follow PEMDAS:
<span>3(-5) + 4(-5)^2 - (3)^3
</span>-15 + 4(-5)^2 - (3)^3
-15 + 100 - (3)^3
-15 + 100 - 27
85 - 27
58
the asnwer is 58.
Answer:
the standard form of the given number is 4.381 x 10⁶
Step-by-step explanation:
Given number = 4381 x 10³
The above number can also be written as; 4381.0 x 10³
In standard form, the decimal point will be moved three steps backward to the first digit (4) and the resulting is multiplied by 1000, as shown in the number below;
4381.0 x 10³ = 4.381 x 10³ x 1000
= 4.381 x 10⁶
Thus, the standard form of the given number is 4.381 x 10⁶
