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3 years ago

(4^3) 2 What is the value of the expression when simplified

Mathematics

2 answers:

Anna007 [38]3 years ago

8 0

Answer:

Hey, Zachary. Your answer would be 128

Step-by-step explanation:

4^3 is 64, and 64 x 2 is 128!

Luden [163]3 years ago

6 0

Answer:

[See Below]

Step-by-step explanation:

$Hey~There!$

_______________________

→ Simplify $(4^3)*2$ :

$4^3=64$

→ Rewrite the new equation:

$64*2$

→ Solve:

$64*2=128$

_______________________

So your answer would be $128$ .

_______________________

$Hope~this~helps!$

$-Shane,~SpamIsTheMan :)$

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If a watermelon weighs 6 255 grams and a scales measures the weight 6 475 grams. What is the scales percent error

Liono4ka [1.6K]

Answer:scales percent error=3.51%

Step-by-step explanation:

P ercent error = Experimental value - Theoretical value /Theoretical value x 100

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Experimental value ( use of scale ) = 6475grams

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Read 2 more answers

If w = 12 units, x = 7 units, and y = 8 units, what is the surface area of the figure? Figure is composed of a right square pyra

bearhunter [10]

Answer:

720 sq units.

Step-by-step explanation:

Length and width of square prism, w = 12 units

Height of square prism, x = 7 units

Height of square pyramid, y = 8 units

Please have a look at the attached image.

Here 2 Surfaces will not be exposed which are base of the square pyramid and the top of the square prism i.e. 2 square surfaces will not be exposed.

Here, surface area of the composite figure will be:

<em>Surface Area of Composite Figure = Lateral surface area of Square Pyramid + Surface Area of 5 surfaces of the square prism</em>

For finding the lateral surface area of pyramid, we need to find the slant height of the pyramid.

Let slant height be $l$ units.

Using pythagoras theorem, we can find out the value of $l$ .

As per theorem:

$Hypotenuse^{2} = Base^{2} + Height^{2}\\$

$\Rightarrow l^{2} = (\dfrac{w}{2})^{2} + y^{2}\\\Rightarrow l^{2} = (\dfrac{12}{2})^{2} + 8^{2}\\\Rightarrow l^{2} = {6}^{2} + 8^{2}\\\Rightarrow l^{2} = 36+64 = 100\\\Rightarrow l = 10\ units$

Lateral surface area of square prism = 4 $\times$ Area of triangular surface

$\Rightarrow 4 \times \dfrac{1}{2}\times Base \times Slant\ Height\\\Rightarrow 4 \times \dfrac{1}{2} \times 10 \times 12\\\Rightarrow 240\ sq\ units$