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damaskus [11]
3 years ago
7

Write each decimal using a negative exponent.

Mathematics
2 answers:
leonid [27]3 years ago
8 0

Answer:

The answer to your question is below

Step-by-step explanation:

When using scientific notation,

- when we move the decimal point to the right, the power will be negative.

- when we move the decimal point to the left, the power will be positive.

a) 0.00001    move the decimal point 5 places to the right   1 x 10⁻⁵

b) 0.001         move the decimal point 3 places to the right   1 x 10⁻³

mr Goodwill [35]3 years ago
3 0

Answer:

  • 10^-5
  • 10^-3

Step-by-step explanation:

You know from place values that ...

  0.00001 = 1/100,000 = 1/10^5 = 10^-5

and

  0.001 = 1/1000 = 1/10^3 = 10^-3

_____

The applicable rule of exponents is ...

  1/a^b = a^-b

_____

The place-value chart attached ends at 10^-4, but you can see from what is there what the pattern is.

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The common ratio of a geometric series is 1/4 and the sum of the first 4 terms is 170.
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Answer: the first term of the series is 128

Step-by-step explanation:

In a geometric sequence, the consecutive terms differ by a common ratio. The formula for determining the sum of n terms, Sn of a geometric sequence is expressed as

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From the information given,

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a = 170/1.328125

a = 128

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