Scientific notation 384400km

Mathematics

1 answer:

lianna [129]3 years ago

3 0

3844 x 10²
all you need to do is think about the 10th power

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If triangle ABC is defined by the coordinated A(3,6), B(7,6), C(7,3) is dilated by a scale factor of 3, with resulting vertex A'

Anastaziya [24]

Answer:

Center of dilation → (0, 0)

Step-by-step explanation:

Vertices of a triangle ABC are A(3, 6), B(7, 6) and C(7, 3).

If this triangle is dilated by a scale factor of 'k' about the origin,

Rule for the dilation is,

(x, y) → (kx, ky)

If vertex A is dilated by a scale factor of 3 about the origin,

A(3, 6) → A'(3×3, 3×6)

→ A'(9, 18)

Therefore, center of dilation is origin (0, 0).

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3 years ago

Professer Dumbledore bought a new sorting hat. The total cost was $59.92,including the 7% he paid in tax. What was the subtotal?

svetlana [45]

Answer:

$55.73

Step-by-step explanation:

First you would multiply $59.92 and 0.07 together and get 4.1944. Round this and get 4.19. Then you would subtract this from the total price to get 55.73.

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3 years ago

200% of what number is 350?

ExtremeBDS [4]

We have, 200% × x = 350
or,
200
100
× x = 350
Multiplying both sides by 100 and dividing both sides by 200,
we have x = 350 ×
100
200
x = 175
If you are using a calculator, simply enter 350×100÷200, which will give you the answer.

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3 years ago

Read 2 more answers

Can someone walk me through how to evaluate this?

zubka84 [21]

Answer:

$\frac{1}{5}$