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ivolga24 [154]
4 years ago
10

What is 2.5 x 10 to the 2nd power

Mathematics
1 answer:
Molodets [167]4 years ago
8 0
I think the answer should be 25 because if you multiply 2.5 by 10. Technically it means moves 10 to the right.
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Write 0.973 in Scientific Notation
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Answer:

9.73 × 10-1

Step-by-step explanation:

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The sum of a number times 9 and 30 is at least -28
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Answer:

9n + 30 ≥ -28

Step-by-step explanation:

Let the number be n.  Then, symbolically, this statement is:

9n + 30 ≥ -28

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What is this question Simplify 3(4)2.
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All we have to do here is multiply the numbers, as there are no other operations in this equation.

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4 years ago
Whats 27 x 300 / 34 x 6
Angelina_Jolie [31]

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2 years ago
Determine the area of a triangle with A=27.8 B = 107.3 c=4<br><br><br> Answer: B) 10 units^2
Mila [183]

Correct question:

Determine the area of a triangle with A=27.8° B = 107.3° c=4

Answer:

Area of the triangle is 5.04 units²

Step-by-step explanation:

Given;

A = 27.8°

B = 107.3°

C = 180 - (27.8 + 107.3) = 44.9°

c = 4

Now, we determine the remaining two sides of the triangle using sine rule

\frac{Sine \ A}{a} = \frac{Sine \ C}{c} \\\\a =  \frac{Sine A*\ c}{Sine C} = \frac{Sine(27.8) \ *4}{Sine(44.9) } =2.64\\\\\frac{Sine \ B}{b} = \frac{Sine \ C}{c}\\\\b=  \frac{Sine B*\ c}{Sine C} = \frac{Sine(107.3) \ *4}{Sine(44.9) } =5.41

Apply Hero's formula;

A = \sqrt{s(s-a)(s-b)(s-c)} \\\\s = \frac{a+b+c}{2} = \frac{2.64\ +\ 5.41\ +\ 4}{2} = 6.025\\\\A = \sqrt{6.025(6.025-2.64)(6.025-5.41)(6.025-4)} \\\\A = \sqrt{6.025(3.385)(0.615)(2.025)} \\\\A = \sqrt{25.3989} = 5.04 \ units^2

Therefore, area of the triangle is 5.04 units²

5 0
4 years ago
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