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konstantin123 [22]
1 year ago
8

Using everyday knowledge, indicate whether the if then statements are correct forward-only or both forward and reverse. Statemen

t 1: If Bob is Sally's spouse, then Sally is Bob's spouse. Statement 2: If the light is red Northbound, then the traffic is stopped.
Mathematics
1 answer:
tankabanditka [31]1 year ago
5 0

Answer:

The reason Statement 1 can be both forward and reverse is because is Bo and Mel are related then it will word forward and backward.

The reason Statement 2 can be only forward is because is the sprinklers are on then the grass is wet will work since it is saying ONLY the sprinklers are on. If it is reverse and the grass is wet if the sprinklers are ONLY on than that is false since if it rains than the grass can also be wet. So there are multiple ways that the grass can be wet hence the answers.

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Convert this number given in standard form into scientific notation. 0. 0000069 What is the value in scientific notation? 0. 69
Len [333]

Scientific notation is used so that the order of the number is known in first glance. The value of the given number in scientific notation is given by: Option B: 6.9 \times 10^{-6}

<h3>How does scientific notations work?</h3>

The number is written in the form a \times 10^b where we have 1 \leq a < 10

The number b shows the order, which is the most important figure for which scientific notation is used. It tells us how much order large or small a value is in powers of 10. We can for a time, ignore the value of 'a' for two comparable quantities and only compare their orders(this type of comparison is useful when difference is too big, like size of human to size of a star etc sort of comparisons).

Scientific notations have some of the profits as:

  • Better readability due to compact representation
  • Its value in terms of power of 10 is known, which helps in easy comparison of quantities differing by a large value.


For the given case, the number in consideration is 0.0000069

Rewriting it in fraction form, we get:

0.0000069  = \dfrac{69}{10000000} = \dfrac{69}{10^7} = 69 \times 10^{-7} = 6.9 \times 10 \times 10^{-7}\\\\0.0000069  =  6.9 \time 10 ^{-7 +1} \\0.0000069  = 6.9\times 10^{-6}

(we used two facts: first that : \dfrac{a}{b} = a \times \dfrac{1}{b}

and second that: a^{-b}= \dfrac{1}{a^b}

Thus, the value of the given number in scientific notation is given by: Option B: 6.9 \times 10^{-6}

Learn more about scientific notations here:

brainly.com/question/3112062

8 0
2 years ago
Emily went to the movie theatre for her birthday. A mix of adults and children attended, making a total of 19 people. Each adult
konstantin123 [22]

Answer:

13 Adults and 6 Kids

Step-by-step explanation:

13*9 = $117

6*5.5 = $33

$117 + $33 = $150

8 0
3 years ago
Identify the dependent variable in this situation:
NNADVOKAT [17]
Amount of data you use is the dependent variable because it depends on how much you will pay
6 0
2 years ago
Can someone please help me
Nana76 [90]

Answer:

choice one

Step-by-step explanation:

fnjddjdjdjddjnddkkdd

5 0
3 years ago
2+2=4 the wat does 50*1 equal
Rudiy27

Answer:

34

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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