2 years ago

Write 68,127,000,000,000,000 in scientific notation. (x10^

Mathematics

2 answers:

Alexeev081 [22]2 years ago

7 0

Answer:

6.8127 × 10^16

Step-by-step explanation:

Hope this helps:)

NISA [10]2 years ago

7 0

Answer:

6.8127 *10^16

Step-by-step explanation:

Scientific notation is a way to make these numbers easier to work with. In scientific notation, you move the decimal place until you have a number between 1 and 10. Then you add a power of ten that tells how many places you moved the decimal.

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The explicit rule for a sequence is an=5(−2)^n−1

Murrr4er [49]

Answer:

3) $a_n=-2a_{n-1}$ , $a_1=5$

Step-by-step explanation:

Given that the explicit rule for a sequence is $a_n=5(-2)^{n-1}$ .

Now we need to find about what is the recursive rule for the sequence and match with the given choices to find the correct choice.

1) $a_n=-2a_{n+1}$ , $a_1=5$

2) $a_n=-5a_{n+1}$ , $a_1=2$

3) $a_n=-2a_{n-1}$ , $a_1=5$

4) $a_n=-5a_{n-1}$ , $a_1=2$

Plug n=1 into given formula to get first term

$a_n=5(-2)^{n-1}$

$a_1=5(-2)^{1-1}=5(-2)^{0}=5(1)=5$

base of the exponent part is (-2) so that means we need to multiply -2 to the previous term to get nth term

Hence correct choice is: 3) $a_n=-2a_{n-1}$ , $a_1=5$

7 0

2 years ago

Find the value of x. Round your answer to the nearest tenth

snow_tiger [21]

Answer:

64.01

Step-by-step explanation:

tan∅= p/b

tan58= x/40

or, x= 40×tan58

x = 64.01

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2 years ago

Janet is a banker who works as a musician on the weekends. Here is part of her tax worksheet: wages from banking $38,295.47, wag

jasenka [17]

I think it 49,413.69

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2 years ago

Marty’s dog can run 3 miles in 20 minutes. What is the dog’s speed in miles per hour?

stich3 [128]

9mph because 20 minutes time 3 is one hour so multiply 3 by 3 to get 9

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2 years ago

Read 2 more answers

Solve the system using the substitution method <br> 4x+6y=8<br> 3x+y=9

inessss [21]

4x+6y=8
3x+y=9

y = 9 - 3x

4x + 6(9-3x) = 8
4x + 54 - 18x = 8
14x = 46
x = 23/7

y = 9 - 3(23/7)
y = 9 - 69/7
y = - 6/7

4 0

2 years ago

Write 68,127,000,000,000,000 in scientific notation. (x10^​

Write 68,127,000,000,000,000 in scientific notation. (x10^