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lidiya [134]
3 years ago
15

How many times greater is 3.8 x 105 than 1.9 X 1022 2 20 200 2000

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
7 0

Step-by-step explanation:

there must be something wrong with your text.

what we can see is

3.8 × 105

and

1.9 × 1022

the true answer for these values has nothing to do with the 4 answer options.

maybe you meant

1.9 × 10.5 ?

because that answer would be 20.

but first working with the presented numbers :

3.8 × 105 = 399

1.9 × 1022 = 1941.8

so, the second number is actually much bigger than the first number.

but if it is

1.9 × 10.5 = 19.95

that works.

and we can either use the calculator to calculate

399 / 19.95 = 20

or we can simply look at the factor changes of the multiplication terms.

3.8 = 1.9 × 2

105 = 10.5 × 10

so, the multiplication product of the two larger numbers is then 2×10=20 times larger than the product of the 2 smaller numbers.

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What is the Lcm of 2 and 7
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Answer:

14

Step-by-step explanation:

The least common multiple is a number that both numbers can multiply something to get to, and the smallest possible common one.

Let's try listing out the multiples of 2:

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Answer:

6) 15

7)5

8)120 degrees

9)60 degrees

10)9

Step-by-step explanation:

GHIJ is a parallelogram.

Opposite sides of a parallelogram are congruent.

3y - 1 = 2y + 1

3y - 2y = 1 + 1

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Opposite sides of a parallelogram are congruent.

4x + 3 = x + 12

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x = 9/3

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6)GH = ?

GH = 4x + 3

GH = 4(3) + 3

= 12 + 3

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therefore, GH = 15

7) HI = ?

HI = 2y + 1

= 2(2) + 1

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therefore, HI = 5

Opposite angles of a parallelogram are equal.

8) m(angle I) = 120 degrees...... (given)

therefore, measure of angle G = measure of angle I

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9) m(angle I) + m(angle J) = 180 degrees

120 + m (angle J) = 180

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The diagonals of a parallelogram bisect each other.

10) JK = 9 .........( given)

JK = HK

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