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castortr0y [4]
3 years ago
10

The approximate distance between our solar system and Alpha Centauri (the nearest star) is 25,000,000,000,000 miles. Express the

number in scientific notation.
Mathematics
1 answer:
Nata [24]3 years ago
5 0

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

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Let D be the ordered set of all possible words (not just English words, all strings of letters of arbitrary length) using the La
Lapatulllka [165]

Answer:

To show that A has a supremum is given as,

Step-by-step explanation:

Because A is that the set of all letters from the dictionary starting with the letter 'a'. And as after set A, there'll be a group containing all the opposite words .. so there exists some x during a such every other letter during a comes before it. So it's none aside from a word starting with the letter b therefore the supremum of the set A is letter b.

5 0
3 years ago
One side of a rectangle is 2 m shorter than another side. The area is 360 m2. Write a quadratic equation and solve it to find th
Alika [10]

Answer:

Step-by-step explanation:

Let one of the side = x

So, other side = x - 2

Area = 360 sq.m

x*(x - 2) = 360

x*x - x * 2 = 360

x² - 2x -360 = 0

x² + 18x - 20x  - 18*20 = 0

x(x +18) - 20*(x + 18 ) = 0

(x + 18)(x -20) = 0

{x + 18 is ignored as measurement will not be a negative number}

x - 20 = 0

x = 20

Length of the longer side = 20 m

5 0
3 years ago
In the figure, Line a is parallel<br> to line b. Name the angles<br> congruent to angle 3.
alekssr [168]

Answer:

angles 1, 5, 7

Step-by-step explanation:

∡1 = ∡3   reason: they are vertical angles

∡7 = ∡3   reason: they are corresponding angles

∡5 = ∡3   reason: they are same-side interior angles

3 0
3 years ago
X cuanto multiplico 15 para q m de 100?
grin007 [14]

Answer:

1500 is your answer

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Can someone please help me with this
MatroZZZ [7]

Answer:

D. 24

Step-by-step explanation:

To find the perimeter, you add the measurement of each side. The measurement for each side is 6 square cubits.

There are 4 sides so 6+6+6+6=24 square cubits

4 0
3 years ago
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