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2 years ago

Which number is equal to 3^3?

Mathematics

2 answers:

NeX [460]2 years ago

7 0

3^3 is equal to 3x3x3
(3x3)x3
9x3=27
So, 3^3=27

ruslelena [56]2 years ago

4 0

3 ^ 3 is the same as 3 * 3 * 3

So:

3 * 3 * 3 =
(3 * 3) * 3 =
( 9 ) * 3 =
27

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Which is a correct description of the polygon?

RSB [31]

Answer:

D.It is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

Step-by-step explanation:

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2 years ago

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The radius of a truck wheel is 3ft what is the approximate circumstances of the truck wheel A. 6ft B. 9ft C. 19ft D. 28ft

kramer

Answer:

the approximate value of circumference = 19 feet

Step-by-step explanation:

radius = 3 ft

circumference =

$2\pi r$

=》

$2 \times 3.14 \times 3$

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2 years ago

Which shows the expression below in simplified form? (7 × 10-3) - (2.3 × 10-6) A. 6.9977 × 10-3 B. 6.99977 × 10-3 C. 6.9977 × 10

rosijanka [135]

Option A

$(7 \times 10^{-3}) - (2.3 \times 10^{-6}) = 6.9977 \times 10^{-3}$

<em><u>Solution:</u></em>

Given expression is:

$(7 \times 10^{-3}) - (2.3 \times 10^{-6})$

To evaluate the expression, let us make the exponent of 10 same

$2.3 \times 10^{-6} = 0.0023 \times 10^{-6+3} = 0.0023 \times 10^{-3}$

[ Here, decimal point is moved three times left, so add 3 ]

Therefore,

$(7 \times 10^{-3}) - (2.3 \times 10^{-6}) = (7 \times 10^{-3}) - (0.0023 \times 10^{-3})$

$\text{Take the } 10^{-3} \text{ as common }$

$(7 \times 10^{-3}) - (0.0023 \times 10^{-3}) = 10^{-3}(7-0.0023)\\\\\text{ Solve for terms inside the bracket }\\\\(7 \times 10^{-3}) - (0.0023 \times 10^{-3}) = 10^{-3} \times 6.9977\\\\\text{Therefore, the simplified expression is: }\\\\(7 \times 10^{-3}) - (0.0023 \times 10^{-3}) = 6.9977 \times 10^{-3}$