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Artyom0805 [142]
3 years ago
14

Simplify the expression. Write your answer as a power. 5^8 x 5^5/5^4 x 5^3

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
7 0

Answer:

Step-by-step explanation:

5^5/5^4 = 5^(5-4) = 5

5^8 * 5 * 5^3 = 5^(8+1+3) = 5^12

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Tabitha decided to start saving pennies for a stretch of two months and initially started with 2 pennies. A table showing the nu
svetoff [14.1K]

Answer:

  • after week 7: 4374 pennies
  • 486 pennies: after week 5

Step-by-step explanation:

The sequence values have a first term of 6 and a common ratio of 3, so can be described by the formula ...

  an = 6·3^(n-1)

This can be rearranged to ...

  an = 2·3^n

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When n=7, the value is ...

  a7 = 2·3^7 = 4374 . . . . pennies saved after 7 weeks

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To find when there are 486 pennies saved, we can solve the equation ...

  486 = 2·3^n

  243 = 3^n

  log(243) = n·log(3) . . . . . . . take the logarithm

  log(243)/log(3) = n = 5 . . . . divide by the coefficient of n

Tabitha will have saved 486 pennies after 5 weeks.

7 0
3 years ago
Write 0.0166 correct to two significant figures.
s2008m [1.1K]

Answer:

0.016

Step-by-step explanation:

hopefully i helpled

6 0
2 years ago
Write the slope-intercept form of the equation of the line that passes through the point (-4,0 ), and is parallel to y=-(5/4x)+4
amid [387]

Answer:

Step-by-step explanation:

hello :

note :

Use the point-slope formula.

y - y_1 = m(x - x_1)   when : x_1= -4      y_1= 0  

     m= +5/4 (parallel means same slope)

an equation in the point-slope form is : y +0= -5/4(x+4)

4 0
2 years ago
I need help please and please explain your answer.
lesya692 [45]

Answer:

I think it is B or D

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Step-by-step explanation:

6 0
2 years ago
which digit has the greatest value in the number 1,567 ? explain your answer in one to two sentences ​
MA_775_DIABLO [31]

Answer:

1

Step-by-step explanation:

The number 1 stands for 1 thousand, and all the other numbers stand for a smaller value.

6 0
3 years ago
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