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pochemuha
3 years ago
6

The mass of one methane molecule is 2.7x10^-23gram. Find the mass of 90,000 molecules of methane. Express the answer in scientif

ic notation
The mass of 90,000 molecules of methane is __?___gram
Mathematics
1 answer:
melomori [17]3 years ago
6 0

Answer:

2.43 • 10^-18

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Step-by-step explanation:

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7 0
3 years ago
Perpendicular line for 7 x + 5 y equals -1
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perpendicular test m1 .m2 = -1
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6 0
3 years ago
A container of water holds 128 fluid ounces. Tyler drinks 4 fluid ounces of water every hour.
AlladinOne [14]

Answer:96

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7 0
3 years ago
(3x^3/2. y^3÷ x^2 y^-1÷2)-2​
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(
3
x
3
2
y
3
x
2
y
−
1
2
)
−
2
(
3
x
3
2
y
3
x
2
y
-
1
2
)
-
2
Move
x
3
2
x
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to the denominator using the negative exponent rule
b
n
=
1
b
−
n
b
n
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⎛
⎝
3
y
3
x
2
y
−
1
2
x
−
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⎞
⎠
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(
3
y
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2
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x
-
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Multiply
x
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x
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by
x
−
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2
x
-
3
2
by adding the exponents.
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(
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y
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1
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y
−
1
2
)
−
2
(
3
y
3
x
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2
y
-
1
2
)
-
2
Move
y
−
1
2
y
-
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2
to the numerator using the negative exponent rule
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b
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b
-
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=
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(
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x
1
2
)
−
2
(
3
y
3
y
1
2
x
1
2
)
-
2
Multiply
y
3
y
3
by
y
1
2
y
1
2
by adding the exponents.
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y
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x
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⎞
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(
3
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Change the sign of the exponent by rewriting the base as its reciprocal.
⎛
⎝
x
1
2
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⎠
2
(
x
1
2
3
y
7
2
)
2
Use the power rule
(
a
b
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(
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2
3
2
(
y
7
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(
x
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5 0
3 years ago
Pls help meh Area of a Circle (rounded)
skelet666 [1.2K]

Answer:

28.27 or 28 for rounded

Step-by-step explanation:

Pi r^2  pi(3)^2

5 0
3 years ago
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