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3 years ago

Write in standard form

Mathematics

2 answers:

Natalka [10]3 years ago

5 0

Answer:

2.988*10^8

Step-by-step explanation:

to do standard form you have to move the decimal to after the first number so in this case we would move the decimal 8 places from 298800000.0

to 2.98800000 and we can remove the zeros to make it 2.988

then you will plug the times ten and because we move the decimal over 8 it would be 10 to the power of 8 so your answer would be 2.988*10^8

hope this helps have a good day

<em>brainlest please? :)</em>

photoshop1234 [79]3 years ago

5 0

Answer:

Step-by-step explanation: cick on the picture

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Michel started to drive from New York to Washington, DC, which is 120 miles away, at 7:00 AM. For the first hour and a half of h

san4es73 [151]

Answer:

30 mph

Step-by-step explanation:

First we need to find the distance travelled in the first 1h30m.

We can do that multiplying the speed by the time travelled, so we have:

Distance1 = 50 * 1.5 = 75 miles

If the total distance is 120 miles, Michael still needs to travel 120 - 75 = 45 miles.

And if the total time travelled is 3 hours (10 AM - 7 AM), the second part of the travel has a duration of 3h - 1.5h = 1.5h

So if the distance is 45 miles and the time is 1.5 hours, we can find the speed of the second part:

45 = speed * 1.5

speed = 45/1.5 = 30 mph

6 0

3 years ago

Please help! Will Mark brainliest if correct!!

Alina [70]

Answer:

The new volume will be 3 3/8 or maybe 27/8 of its original volume.

Step-by-step explanation:

Cone Volume = PI * radius^2 * height / 3

So if radius = 1 and height = 1 then volume = 1.0472

When radius = 3 and height = .375 then volume = 3.5343

Volume increases by 3.5343 / 1.0472 = 3 and 3/8

5 0

3 years ago

Plz, answer the question in the photo.

AVprozaik [17]

Answer:

2 1/4

Step-by-step explanation:

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6 0

3 years ago

0.03858 *0.02 leaving your answer I’m a standard form

djyliett [7]

Answer:

0.0007716

Step-by-step explanation:

0.03858 × 0.02 = 0.0007716

8 0

3 years ago

PLEASE ANSWER ASAP!!!!

Arlecino [84]

We'll use the notation $\textrm{Arcsin } x$ for the principal value and $\arcsin x$ for all the values:

$\arcsin x = \textrm{Arcsin } x + 2\pi k \textrm{ or } (\pi - \textrm{Arcsin }x) + 2\pi k \quad \textrm{ integer } k$

Part I

$\sin(\theta/2) = \frac 1 2$

$\theta/2 = \arcsin \frac 1 2$

Part II. In our range we can write

$\sin(\theta/2) = \sin(\frac \pi 6)$

$\theta/2 = \frac \pi 6 \textrm{ or } \theta /2 = \pi - \frac \pi 6 = \frac{5\pi}{6}$

Part III.

$\theta = \frac \pi 3 \textrm{ or } \theta = \frac{5\pi}{3}$

Part IV.

$\theta/2 = \frac \pi 6 + 2\pi k \textrm{ or } \theta = \frac{5 \pi}{6} + 2\pi k \quad \textrm{integer } k$

$\theta = \frac \pi 3 + 4 \pi k \textrm{ or } \theta = \frac{5 \pi}{3} + 4\pi k \quad \textrm{integer } k$

5 0

3 years ago