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4 years ago

What is 1.45×10 -3 in standard form

Mathematics

2 answers:

Trava [24]4 years ago

8 0

It is 11.5
1.45x10-3

Naily [24]4 years ago

3 0

Since the exponent is negative and youhave to move the decimal backwards, the answer would be 0.00145

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What is the ratio of the number of dollars in Andy's pocket to the number of dollars in Ron's pocket?

fomenos

Well we would need to know how much is in each pocket. So for example is Jan has 10$ in hers and Logan has 6 in his the ratio would be 10:6 I hope this makes sense

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3 years ago

Amy and Jed are among the 35 people, who are standing in a line, one behind the other, waiting to buy movie tickets. The number

Artemon [7]

Answer: 29

Step-by-step explanation:

Given : Total people in the line = 35

Number of people behind Amy = 15

⇒Number of people in front of Amy = Total people - (Amy and people behind Amy)

= 35-15-1

= 19

According to the question,

Number of people in front of Amy + Number of people behind Jed =24

⇒ 19 + Number of people behind Jed =24

⇒ Number of people behind Jed =24 -19 = 5

Then, Number of people are in front of Jed = 35 - (Jed and people behind Jed)

= 35-(5+1)

= 35-6=29

Hence, there are 29 people are in front of Jed.

7 0

3 years ago

Find polynomial f(n) such that for all integers n is greater than or equal to 1 we have 3t( 1*2 + 2*3 +...+ n(n+1) ) = f(n). Wri

fomenos

$1\cdot2+2\cdot3+\cdots+(n-1)\cdot n+n\cdot(n+1)=\displaystyle\sum_{k=1}^nk(k+1)=\sum_{k=1}^n(k^2+k)$
$=\dfrac{n(n+1)(2n+1)}6+\dfrac{n(n+1)}2$
$=\dfrac{n(n+1)(2n+1)+3n(n+1)}6$
$=\dfrac{2n^3+6n^2+4n}6$
$=\dfrac13n^3+n^2+\dfrac23n$

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4 years ago

You've decided to go cave diving. the route between a and b in 8025 meters long and the average diver can swim 15 meters per min

Anastasy [175]

$\text{The route between A and B is 8025 meters.}\\
\\
\text{And an average diver can swim 15 meters per minute.}\\
\text{we need to find the time it will take to complete diving.}\\
\\
\text{by the time distance formula, we know that}\\
\\
\text{Time}=\frac{\text{Distance}}{\text{Speed}}\\
\\
\text{so using this the time taken to complete the dive is}\\
\\
\text{Time}=\frac{8025}{15}\\
\\
\Rightarrow \text{Time}=535 \text{ minutes}$

So the time taken to complete the dive is: 535 minutes

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4 years ago

What is 130/400 in simplest form as a decimal

Nikolay [14]

0.325

Hope that helps you out Summerhazelwood! :D

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3 years ago

Read 2 more answers