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UkoKoshka [18]
3 years ago
6

Which answer is closest to the true value of the expression:

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
6 0
(9.1\times10^4)(1.1\times10^{-5})(log10^{-13})(1000)\\\\=(9.1\times1.1)(10^4\times10^{-5}\times10^3)(-13log10)\\\\=10.01\times10^{4-5+3}(-13)\\\\=-130.13\times10^2\\\\=-13013\approx-13000\\\\Answer:(c).

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Please help me with this homework
PIT_PIT [208]

Answer:

c.

Step-by-step explanation:

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8 0
3 years ago
What is the percent decrease from 50 to 3?
LenKa [72]
First, subtract:

50 - 3 = 47

Now divide it to 50:

47 / 50 = 0.94

Multiply by 100:

0.94 * 100 = 94%

So the percent decrease from 50 to 3 is 94%.
4 0
3 years ago
If 20 squirrels can eat a bushel of corn in 10 hours, how many squirrels can eat a bushel of corn in 2 hours?
omeli [17]
So if 20 squirrels can eat a bushel of corn in 10 hours that means that 2 it needs 2 squirrels per hour.

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7 0
3 years ago
Read 2 more answers
How do you use the law of cosines or law of sines if you are given a=13 m, b=8.5 m, and c=9 m?
Rus_ich [418]
The law of cosines is 
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3 0
3 years ago
A sporting goods manager was selling a ski set for a certain price. The manager offered the markdowns shown on the right, making
ra1l [238]

Answer:

The original selling price would be $ 515.87 ( approx )

Step-by-step explanation:

Consider the complete question is :

"A sporting goods store manager was selling a ski set for a certain price. The manager offered the markdowns​ shown, making the​ one-day sale price of the ski set ​$325. Find the original selling price of the ski set. It was marked down 10% and 30%"

Suppose x be the original selling price ( in dollars ),

After marking down 10%,

New selling price = x - 10% of x = x - 0.1x = 0.9x

Again after marking down 30%,

Final selling price = 0.9x - 30% of 0.9x

= 0.9x - 0.3 × 0.9x

= 0.9x - 0.27x

= 0.63x

According to the question,

0.63x = 325

\implies x =\frac{325}{0.63}=\$ 515.87

Therefore, the original selling price would be $ 515.87.

8 0
3 years ago
Read 2 more answers
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