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enot [183]
3 years ago
6

Any good strategies/tricks for multiplying decimals?

Mathematics
2 answers:
grin007 [14]3 years ago
5 0
Just multiply normally it pretty easy hope it helped
seraphim [82]3 years ago
3 0
line up your decimals and then multiply like usual, next count how many places after the decimal your problem(s) was and place it to your answer
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Which expression is equivalent to 52(2x+1)?
Mama L [17]

Answer:

52 x 2 + 1 - 1 = 104

Adding some description to extend my answer since the equation was too short.

6 0
2 years ago
Read 2 more answers
The reference desk of a university library receives requests for assistance. Assume that a Poisson probability distribution with
NISA [10]

Answer:

a) 0.125

b) 7

c) 0.875 hr

d) 1 hr

e) 0.875

Step-by-step explanation:l

Given:

Arrival rate, λ = 7

Service rate, μ = 8

a) probability that no requests for assistance are in the system (system is idle).

Let's first find p.

a) ρ = λ/μ

\frac{7}{8} = 0.875

Probability that the system is idle =

1 - p

= 1 - 0.875

=0.125

probability that no requests for assistance are in the system is 0.125

b) average number of requests that will be waiting for service will be given as:

λ/(μ - λ)

= \frac{7}{8 - 7}

= 7

(c) Average time in minutes before service

= λ/[μ(μ - λ)]

= \frac{7}{8(8 - 7)}

= 0.875 hour

(d) average time at the reference desk in minutes.

Average time in the system js given as: 1/(μ - λ)

= \frac{1}{(8 - 7)}

= 1 hour

(e) Probability that a new arrival has to wait for service will be:

λ/μ =

{7}{8}

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5 0
3 years ago
What is the least common denominator of 7/10 and 4/9
melisa1 [442]

Answer:

7/10 = 63/90

4/9 = 40/90

Step-by-step explanation:

Rewriting input as fractions if necessary:

7/10, 4/9

For the denominators (10, 9) the least common multiple (LCM) is 90.

LCM(10, 9)

Therefore, the least common denominator (LCD) is 90.

Calculations to rewrite the original inputs as equivalent fractions with the LCD:

7/10 = 7/10 × 9/9 = 63/90

4/9 = 4/9 × 10/10 = 40/90

6 0
3 years ago
Simplify. Write each answer in scientific notation
Greeley [361]

Answer:

5*10^1

Step-by-step explanation:

7 0
3 years ago
in Colorado the state sales tax is 2.9%. if you buy a $2100 computer in Colorado, how much state tax will you pay?​
Shtirlitz [24]

Answer:

$60.9

Step-by-step explanation:

Tax = 2.9% of Cost to be bought

= 2.9 / 100 × 2100

= $60.9

6 0
3 years ago
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