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Assoli18 [71]
3 years ago
10

HELP giving brainlest and more points

Mathematics
2 answers:
postnew [5]3 years ago
6 0
<h2>Answer:</h2>

4.82 × 10⁻⁴

<h3>Explanation:</h3>

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

nydimaria [60]3 years ago
5 0

Answer:

4.82 x 10^-4

Step-by-step explanation:

8.2 x 10^-4 + .0004= enter into calculator

.000482, move decimal behind first whole number and count places

it moves 4 spaces and because it starts in front of the number your exponent is negative

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jada surveyed all the 7th and 8th graders at her school abouth whether they had pets. Complete the missing entries in this two w
REY [17]

Here is the completed table:

                               Has pet     Has no pet      Total

7th grade                102            48                       150

8th grade                107            68                      175  

Total                          209           116                     325

<h3>What is a two-way table?</h3>

A two way table is used to show the frequency of two categorical variables. Information are usually presented in rows and columns.

  • The 7th grade students that have no pets = 150 - 102 = 48
  • The 8th grade students that have pets = 175 - 68 = 107
  • Total students that have pets = 102 + 107 = 209
  • Total students that have no pets = 48 + 68 = 116
  • Total = 209 + 116 = 325

Please find attached the table. To learn more about addition, please check: brainly.com/question/19628082

3 0
2 years ago
NEED HELP ASAP!!!
sergiy2304 [10]
14. To get the length of each side, you will have to find the square root of 189 to find what two numbers multiplied by itself will get to that number. The square root of 189 is about 13.7, to the nearest tenths is 14
7 0
3 years ago
Find the sum of the first six terms of the sequence.<br><br><br> S6 = ⇒ 84
k0ka [10]

Answer:

Explained below.

Step-by-step explanation:

Consider the series is a set of first 6 natural numbers.

Sum of first <em>n</em> terms is:

\text{Sum of n terms}=\frac{n(n+1)}{2}

\text{Sum of first 6 terms}=\frac{6(6+1)}{2}

                               =3\times7\\=21

Consider the series is an arithmetic sequence.

Sum of first <em>n</em> terms is:

S_{n}=\frac{n}{2} [2a+(n-1)d]

Here<em>,</em>

<em>a</em> = first term

<em>d</em> = common difference

Consider the series is an geometric sequence.

Sum of first <em>n</em> terms is:

S_{n}=\frac{a_{1}\cdot(1-r^{n})}{(1-r)}

Here<em>,</em>

<em>a₁</em> = first term

<em>r</em> = common ratio

7 0
3 years ago
Fiona found 47 pens for $3. Please help Fiona by figuring out the ratio. (round to 2 decimal places)
vitfil [10]

Answer:

c

Step-by-step explanation:

3 0
2 years ago
Given that f(x) = x2 – 3x – 28 and g(x) = x - 7, find
gregori [183]

Answer:

(f-g)(x)=x^2-4x-21

Step-by-step explanation:

We are given the two functions:

f(x)=x^2-3x-28\text{ and } g(x)=x-7

And we want to find:

(f-g)(x)

This is equivalent to:

=f(x)-g(x)

Substitute:

=(x^2-3x-28)-(x-7)

Distribute:

=x^2-3x-28-x+7

Rearrange:

=(x^2)+(-3x-x)+(-28+7)

Hence:

(f-g)(x)=x^2-4x-21

6 0
2 years ago
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