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3 years ago

Order 34 × 102, 1.2 × 107, 8.11 × 10–3 and 435 from least to greatest.

1 answer:

andrey2020 [161]3 years ago

6 0

I will assume that this question is about scientific notation (also assuming that the first number is 3.4*10^2), where you can arrange the numbers by the exponent of the 10, so from least to greatest:
$8.11*10^{-3}$ , $3.4*10^{2}$ , 435, and $1.2*10^{7}$

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teacher has 27 students in her class she asked the students to form as many groups of 4 as possible how many students are not be

stepan [7]

If there are 27 students in the class and they have to form as many groups of 4 as possible, you can calculate this using the following step:

27 / 4 = 6.75 = 6 3/4

Result: 27 students can form 6 groups of 4 students and 3 students have to form their own group.

4 0

3 years ago

In an experiment, the initial temperature of a solution is -5 °C. The solution is heated up at 3 °C per minute for 19 minutes an

Free_Kalibri [48]

Answer:

28°C

Step-by-step explanation:

First you do 3*19=57°C

-5+57= 52°C

then you do 4*6=24 °C

as its being cooled you takeaway

52-24=28°C

3 0

3 years ago

14.

tatuchka [14]

Answer:

Step-by-step explanation:

y-intercept is positive 5 so that eliminates answer choices A and C

to decide between B and D, select a point in the solution area; for example, (0, 0). Plug these values into B and D and see which one it is true for

B) 0 ≥ -3(0)-5

Is 0 ≥ -5 Yes

D) 0 ≤ -3(0)-5

Is 0 ≤ -5 No

4 0

3 years ago

Read 2 more answers

The reyes family but for concert tickets for $252 what was the price per ticket

Bas_tet [7]

If you mean "The Reyes Family bought for concert tickets for $252",

Consider the total price is $252 and that there are four tickets. You are looking for the price of one ticket so view it as

Total Price = $252
Total Tickets = 4

Total Price divided by Total Tickets =
$\frac{252}{4}$
Then divide both sides by four because 4 divided by 4 is 1 ticket.
$\frac{252 \div 4}{4 \div 4} = \frac{63}{1}$

Then you should get 63 divided by 1.
63 divided by 1 is 63, So your answer is

"The price of one ticket that the Reyes Family bought is 63 dollars."

7 0

3 years ago

There are many regulations for catching lobsters off the coast of New England including required permits, allowable gear, and si

Georgia [21]

Answer:

Probability that the sample mean carapace length is more than 4.25 inches = 0.9993

Step-by-step explanation:

Given - There are many regulations for catching lobsters off the coast

of New England including required permits, allowable gear, and

size prohibitions. The Massachusetts Division of Marine Fisheries

requires a minimum carapace length measured from a rear eye

socket to the center line of the body shell. For a particular local

municipality, any lobster measuring less than 3.37 inches must

be returned to the ocean. The mean carapace length of the

lobsters is 4.01 inches with a standard deviation of 2.13 inches.

A random sample of 60 lobsters is obtained.

To find - What is the probability that the sample mean carapace length

is more than 4.25 inches?

Proof -

Given that, μ = 4.01, σ = 2.13 , n = 60

Now,

μₓ⁻ = σ / √n

= $\frac{2.13}{\sqrt{60} }$

= $\frac{2.13}{7.746}$ = 0.275

⇒μₓ⁻ = 0.275

Now,

P(X⁻ > 3.37) = 1 - P( X⁻ < 3.37)

= 1 - P(z < $\frac{3.37 - 4.25}{0.275}$ )

= 1 - P( z < -3.2 )

= 1 - 0.0007

= 0.9993

⇒P(X⁻ > 3.37) = 0.9993

∴ we get

Probability that the sample mean carapace length is more than 4.25 inches = 0.9993

6 0

3 years ago