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ludmilkaskok [199]
3 years ago
5

A scientist is observing the reproduction of a certain bacteria. On Monday, she started with 2 bacteria and the number of bacter

ia doubled each day. How many bacteria will there be on Saturday?
(a) what is the total number of bacteria in exponential form?

(b) Explain how to change from exponential form to simplified form?

(c) What is the total bacteria in simplified form?
Mathematics
1 answer:
stepan [7]3 years ago
7 0

Answer:

a) 2∧6    c) 64

Step-by-step explanation:

First day-Monday we have 2 bacteria, at Tuesday we have 2 · 2 = 2∧2, at Wednesday we have 2 · 2 · 2 = 2∧3, at Thursday we have 2 ·2 · 2 · 2 = 2∧4, at Friday we have 2 · 2 · 2 · 2 · 2 = 2∧5 and finally at Saturday we have 2 · 2 · 2 ·2 · 2 · 2 = 2∧6 = 64

Good luck!!!

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10^x • 100^2x = 1000^5. Step by Step
nordsb [41]
Step one: set the base of each term to be the same (10)
(10ˣ)(10²)²ˣ = (10³)⁵
(10ˣ) (10⁴ˣ)= (10¹⁵)
10⁵ˣ = 10¹⁵
Because the indices are the same we can equate the two.
5x = 15
x = 3

Check 10⁵ˣ³ = 10¹⁵    10¹⁵=10¹⁵
4 0
3 years ago
IS 0.32 x 102 WRITTEN IN SCIENTIFIC NOTATION? JUSTIFY YOUR ANSWER.
IceJOKER [234]
3.264 x 10^1 hope this helps :)
3 0
2 years ago
what amount of money is to be deposited in a bank to get RS 1225 in 9/2 year with the rate of intrest 5%​
Juliette [100K]

Answer:

rs.6,300

Step-by-step explanation:

Simple Interest, S.I. = Rs. 1260 =  

100

PR×2

​  

 =    

50

PR

​  

          -(i)

Compound Interest, C.I. = Amount(A) - Principle(P)

=P(1+  

100

R

​  

)  

2

 - P = PR(R/10000+1/50)=Rs.1323         -(ii)

Dividing (ii) by (I),

200

R

​  

+1 =  

1260

1323

​  

 

⇒Rate,R=10%p.a.

Now,  

100

PRT

​  

=1260

⇒  

100

P×10×2

​  

=1260

6 0
3 years ago
What is n (6.5=-3+n) plz help
Tresset [83]

Answer:

n=−0.545455

Step-by-step explanation:

n(6.5)=−3+n

Simplify both sides of the equation.

n(6.5)=−3+n

6.5n=−3+n

6.5n=n−3

Subtract n from both sides.

6.5n−n=n−3−n

5.5n=−3

Divide both sides by 5.5.

5.5n

5.5

=

−3

5.5

3 0
2 years ago
3
iren2701 [21]

Answer:

B

D

A

Step-by-step explanation:

Given:

A. 2x^3-x^{2} -6x

B. 2x^3+8x+4

C. 3x^4+x^{2} +x-7

D. 3x^4-3x^{2} +5x-7

Now, let us evaluate the given expressions one by one.

(4x^3-4+ 7x)-(2x^3-x-8)\\\Rightarrow 4x^3-4+ 7x-2x^3+x+8\\\Rightarrow 2x^3+8x+ 4

It is equation B.

So, (4x^3-4+ 7x)-(2x^3-x-8) is equivalent to B.

(-3x^2+x^4+x)+(2x^4-7+4x)\\\Rightarrow -3x^2+x^4+x+2x^4-7+4x\\\Rightarrow3x^4-3x^{2} +5x-7

It is equation D.

So, (-3x^2+x^4+x)+(2x^4-7+4x)  is equivalent to D.

(x^{2} -2x)(2x+3)\\\Rightarrow 2x^3-4x^{2} +3x^{2} -6x\\\Rightarrow 2x^3-x^{2} -6x

It is equation A.

So, (x^{2} -2x)(2x+3) is equivalent to A.

So, answer is:

B

D

A

8 0
3 years ago
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