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postnew [5]
3 years ago
5

3. An exponential expression is point

Mathematics
2 answers:
NeX [460]3 years ago
4 0

Answer: C Powers doesn't have to be negative for it to be simplified example 3^5 is simplified we don't need it to be (1/3)^(-5), its simply unnecessary.

damaskus [11]3 years ago
4 0
The answer is c no positive exponits
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No links, if ur right i’ll give u brainlist!!
abruzzese [7]

Answer:

answer is C. if im wrong just let me know :3

3 0
3 years ago
Translate the sentence into an equation using n as the unknown number. Then solve the equation for n
Gelneren [198K]

Answer:

5+\frac{n}{2}=11

n=12

Step-by-step explanation:

<u><em>The correct question is</em></u>

Translate the sentence into an equation using n as the unknown number. Then solve the equation for n.

5 increased by half a number is 11

Let

n ----> the unknown number

we know that

The linear equation that represent this situation is

5+\frac{n}{2}=11

solve for n

Multiply by 2 both sides

10+n=22

subtract 10 both sides

n=22-10

n=12

5 0
4 years ago
How many different ways can a researcher select 4 rats from 15 rats and assign each to a different test?
Tomtit [17]

By 32,760 different ways can a researcher select 4 rats from 15 rats and assign each to a different test .

<u>Step-by-step explanation:</u>

We need to find How many different ways can a researcher select 4 rats from 15 rats and assign each to a different test.Let's find out:

We will use Permutation here : As we will chose 4 rats out of 15 rats , order will be considered which will make this as a permutation problem . Formula for permutation is given by :

⇒ nP_r= \frac{n!}{(n-r)!}

According to question , we have

⇒ 15P_4= \frac{15!}{(15-4)!}

⇒ 15P_4= \frac{15!}{(11)!}

⇒ 15P_4= \frac{15(14)(13)(12)11!}{(11)!}

⇒ 15P_4= 15(14)(13)(12)

⇒ 15P_4= 32,760

Therefore , By 32,760 different ways can a researcher select 4 rats from 15 rats and assign each to a different test .

6 0
3 years ago
The Grand Prix Formula 1 race this weekend is in Singapore. The race consists of 61 laps around a 5.067 km long track. At 225 mi
lianna [129]
1 mile ≈ 1.6 km

5.067 km ≈ 5.067÷1.6 ≈ 3.2 miles

time travelled = distance ÷ speed
time travelled = 3.2÷225
time travelled = 0.0142 hour = 51.2 seconds
6 0
4 years ago
Which expression is equivalent to...
Anettt [7]

Answer:

5 ^ (3/8)

Step-by-step explanation:

see attached

3 0
3 years ago
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