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3 years ago

(3.5×10−5)(3×10−10) express your answer in scientific notation. 1.05×10−15 1.05×10−14 1.05×10−13 1.05×1015

2 answers:

6 0

I believe the correct answer from the choices listed above is the second option. The operation to be done here is just multiplication. We just have to get the product of the two values being enclosed with the parentheses and it is 1.05×10−14. Hope this answers the question. Have a nice day.

horsena [70]3 years ago

5 0

Answer:

1.05×10−14

Step-by-step explanation:

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Team D used a recipe that consists of 20 cups of sand, 2 cups of flour, and 3 cups of water. How does the percent of sand in Tea

spayn [35]

Answer:

80%

Step-by-step explanation:

Given:

Team D used a recipe that consists of 20 cups of sand, 2 cups of flour, and 3 cups of water.

Question asked:

How does the percent of sand in Team D's recipe compare to that of the other teams ?

Solution:

Team D used a recipe that consists of sand = 20 cups

Team D used a recipe that consists of flour = 2 cups

Team D used a recipe that consists of water = 3 cups

Total number of cups together = 20 + 2+ 3 =25 cups

Now we will have to find percent of cups of sand out of the total number of cups.

By using formula of percentage,

Percent = $\frac{Value}{Total \ value}\times100$

$=\frac{20}{25} \times100\\=\frac{2000}{25} =80\%$

Therefore, 80% of sand in Team D's recipe compare to that of the other teams.

5 0

4 years ago

Given p=3q which of these will be p if q is increased by 2?

MAXImum [283]

If we increase q by 2, it means that q becomes q+2.

So, p will become

$p=3q \mapsto \bar{p}=3(q+2)=3q+6=p+6$

So, the new value for p is 6 more than the previous one.

The second exercise looks a bit odd: if the sequence started with -100, then it would be

-100, -97, -94, -91, -88,...

And every term would be 3 more than the previous one, so the next term would be -85, but this doesn't appear in your option.

Also, the fact that the sequence starts with positive 100 is quite strange, because it is unrelated to the rest of the sequence.

Are you sure that the exercise is written correct? Or are there any typos?

8 0

3 years ago

1.0 Im in need for help..

Rom4ik [11]

Answer:

$3200

Step-by-step explanation:

i had the answer but wanted to make sure

when added up everything equals 273,900

-700

--------

273,200

his networth is 270,000 that means when you subtract it from the 273,200 you are left with 3,200

3 0

3 years ago

Consider 3 trials, each having the same probability of successes. Let X denote the total number of successes in these trials.

Mariulka [41]

Since each trial has the same probability of success,

Let, Xi=1 if the ith trial is a success (0 otherwise). Then, X=∑3i=1XiX=∑i=13Xi,

and E[X]=E[∑3i=1Xi]=∑3i=1E[Xi]=∑3i=1p=3p=1.8E[X]=E[∑i=13Xi]=∑i=13E[Xi]=∑i=13p=3p=1.8

So, p=0.6p=0.6, and P{X=3}=0.63P{X=3}=0.63

I thought what I did was sound, but the textbook says the answer to (a) is 0.60.6 and (b) is 00.

Their reasoning (for (a)) is as follows:

3 0

3 years ago

Write an equation of a line perpendicular to the line ax + by = c that passes through the point (-1,2).

baherus [9]

Answer:

Step-by-step explanation:

line perpendicular to ax+by=c is

bx-ay=k, where k is a constant.

if it passes through (-1,2) then

b(-1)-a(2)=k

or k=b-2a

so reqd. eq . is bx-ay=b-2a

3 0

3 years ago

(3.5×10−5)(3×10−10) express your answer in scientific notation. 1.05×10−15 ​ 1.05×10−14 ​ ​ 1.05×10−13 ​ ​​ ​ 1.05×1015 ​

(3.5×10−5)(3×10−10) express your answer in scientific notation. 1.05×10−15 1.05×10−14 1.05×10−13 1.05×1015