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Lubov Fominskaja [6]
3 years ago
6

The distance from Earth to the moon is 384,400 kilometers. What is this distance expressed in scientific notation?

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
4 0

Answer:

3.844 x 10 to the power of 5 is the answer i think

Step-by-step explanation:

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The sound of a jet engine of a skyhawk jetfighter is 70000 times louder than the sound of a lawnmower if the lawnmower has the l
Amanda [17]

Answer: 6,160,000 db

Step-by-step explanation:

The sound of a jet engine is 70,000 times louder than that of a lawn mower.

Since we know the sound of a lawnmower, we can multiply that by 70,000 to find the sound of a jet engine:

= Sound of lawnmower * 70,000

= 88 * 70,000

= 6,160,000 db

8 0
3 years ago
In converting 10 inches to centimeters, what unit (omit the number) would you place in the numerator of your ratio?
belka [17]

Answer:

  centimeters

Step-by-step explanation:

The numerator of the conversion factor always has the "to" units. The denominator has the "from" units. That way, when you multiply, the "from" units cancel:

  (xx <em>from</em>) · (yy <em>to</em>)/(zz <em>from</em>) = xx·yy/zz · (<em>from/from</em>) · <em>to</em> = xx·yy/zz · <em>to</em>

Here, you want to convert to centimeters, so centimeters will be the units in the numerator.

  10 in · (2.54 cm)/(1 in) = 25.4 cm

_____

The conversion factor is always "1". That is, the numerator and denominator are always <u>equal</u> in value. Here, 2.54 cm = 1 in, so (2.54 cm)/(1 in) = 1. You can multiply by 1 anytime you like. For units conversion, it only has the effect of changing the units.

5 0
3 years ago
TRUE OR FALSE:<br><br> 16 + 72n = (2 + 9n)(8)
scoray [572]

Answer:

true

Step-by-step explanation:

please see the image I attached of my work

3 0
3 years ago
Read 2 more answers
Estimate 3/8 + 3/4 + 7/8 =
goldfiish [28.3K]

Answer:

2

Step-by-step explanation:

3/8+3/4+7/8

=3/8+6/8+7/8

=16/8

=2

8 0
2 years ago
What’s the correct answer
matrenka [14]
Show a picture of it I can’t see one
5 0
3 years ago
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