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3 years ago

Convert 278000 into scientific notation

Physics

2 answers:

nirvana33 [79]3 years ago

8 0

2.78 X 10^5 is the best answer to be responded to

AnnZ [28]3 years ago

3 0

278000 written in scientific notation would be 2.78×10⁵.

You can convert the number into scientific notation by doing the following:

1. Turn 278000 into 2.78000.

2. Move the decimal point to the end of the number, so that it becomes 278000 again.

3. Count the number of places that the decimal point was moved.

Since the decimal point was moved 5 places to the right, the exponent on the 10 will be positive five. Therefore, 278000 becomes 2.78×10⁵.

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What is the phase of the moon when the moon is positioned between the sun and earth?

vladimir2022 [97]

Answer:

Solar eclipse

Explanation:

A solar eclipse is when the moon passes between the sun and Earth, causing it to go dark and to give the moon a halo effect :D hope this helped!

8 0

2 years ago

The charges Q1=Q and Q2=4Q that are a distance d apart, repel each other with a force of 1.60 N. What would be the force between

gladu [14]

Answer:

50.4 N

Explanation:

Q1 = Q

Q2 = 4 Q

Distance = d

The force is given by

$F = \frac{KQ_{1}Q_{2}}{d^{2}}$

$1.60 = \frac{4KQ^{2}}{d^{2}}$ .... (1)

Now,

Q3 = 2 Q

Q4 = 7 Q

distance = d/3

$F' = \frac{9KQ_{3}Q_{4}}{d^{2}}$

$F' = \frac{126KQ^{2}}{d^{2}}$ .... (2)

Divide equation (2) by equation (1), we get

F' / 1.60 = 126 / 4

F' = 50.4 N

Thus, the force is 50.4 N.

7 0

3 years ago

The number of electrons an atom would gain or lose when forming ionic bonds. It can be positive, negative or zero.

vaieri [72.5K]

Answer:

In an ionic bond , an element will have to lose or gain electrons.

Explanation:

Ionic bond, also called electrovalent bond, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
Such a bond forms when the valence (outermost) electrons of one atom are transferred permanently to another atom.
The atom that loses the electrons becomes a positively charged ion (cation), while the one that gains them becomes a negatively charged ion (anion).

∴

The number of electrons an atom would gain or lose when forming ionic bonds cannot be zero.

8 0

3 years ago

Question is attatched!

lina2011 [118]

All it does is lets him pull in a more convenient direction to raise the load. It has no effect on the required force.

4 0

3 years ago

PLEASE HELPPPPPPPP What is the average velocity of a train that goes 86 km in 1.3 hours?

olga_2 [115]

The answer is:

V = d/t d = 86 km t = 1.3 hrs

V = 86 km/ 1.3 hrs

V = 66.15 km/ hrs

I hope this helps!!

5 0

3 years ago