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nekit [7.7K]
3 years ago
8

Round this number to two significant figures. 8,468

Mathematics
2 answers:
Jlenok [28]3 years ago
8 0
8500

10^3 x 8.5 = 8500


tigry1 [53]3 years ago
7 0

Answer:

Rounding to two significant figures the number became

8468=8\bar{5}00

Step-by-step explanation:

Given : Number 8,468

To find : Round this number to two significant figure ?

Solution :

Rounding to two significant figure we have to estimate or round the values in terms of zeros.

Rounding the number to hundreds value,

As 6 is greater than 5 so 4 rounds to 5 and rest became zero.

i.e. 8468=8\bar{5}00

bar means the estimated value.

Therefore, Rounding to two significant figures the number became

8468=8\bar{5}00

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Please help please please
Luda [366]

Answer:

39

Step-by-step explanation:

284-5(7)²

284-(5×49)

284-245

39

4 0
2 years ago
Read 2 more answers
Which statements are true about David's work? Check all that apply. The GCF of the coefficients is correct. The GCF of the varia
Anon25 [30]

Answer:

The GCF of the coefficients is correct.

The variable c is not common to all terms, so a power of c should not have been factored out.

In step 6, David applied the distributive property.

Step-by-step explanation:

Given the polynomial :

80b⁴ – 32b²c³ + 48b⁴c

The Greatest Common Factor (GCF) of the coefficients:

80, 32, 48

Factors of :

80 : 1, 2, 4, 5, 8, 10, 16, 20, 40, and 80

32 : 1, 2, 4, 8, 16, and 32

48 : 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48.

GCF = 16

b⁴, b², b⁴

b⁴ = b * b * b * b

b² = b * b

b⁴ = b * b * b * b

GCF = b*b = b²

GCF of c³ and c

c³ = c * c * c

c = c

GCF = c

We can see that David's GCF of the coefficients are all correct

From the polynomial ; 80b⁴ does not contain c ; so factoring out c is incorrect

In step 6 ; the distributive property was used to obtain ; 16b²c(5b² – 2c² + 3b²)

6 0
3 years ago
Read 2 more answers
Which is the equation of a line that has a slope of -2/3 ans passes through the point (-3, -1)
kupik [55]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

here m = - \frac{2}{3}, hence

y = - \frac{2}{3} x + c ← is the partial equation

To find c substitute (- 3, - 1) into the partial equation

- 1 = 2 + c ⇒ c = - 1 - 2 = - 3

y = - \frac{2}{3} x - 3 ← is the equation of the line

5 0
3 years ago
I mark brainliest for all my questions that are answered right :) thx for helping me
allsm [11]
The correct answer is y= 0.513(1.833)^x


Explain


We will use the equation on this form

Y=ab^x

Let’s us plug in the coordinates of first point

(X, y) , ( 9, 120)

We will have

Y=ab^x

120= ab^9

Our equation for a will be

Ab^9 = 120

ab ^9 / b^9 = 120/ b^9


a = 120/ b^9

So will have


Y= 120/ b^9 • b^x

Then we will plug in coordinates for the second point


( x,y) = ( 10, 220)

We will have

Y= 120/b^9 • b^x

220 = 120/b^9 • b^10-9


220= 120b

Divide both side by 120

B= 11/6

B= 1.833333 = 1.833



Let’s plug in the value b=11/6 to our equation for a


A= 120/b^9

A= 120/ 11/6^9

A= 120/11^9/6^9


A=120 • 6^9 / 11^9

= 0.51285 which equal to 0.513



So therefore the answer is

Y= 0.513(1.833)^x


I hope this help you

:D
8 0
3 years ago
Help with this one please 20 points brain lest and a thanks on your page honestly just giving points away
Kitty [74]
The answer is C.

It has a negative slope (-40) and a y-intercept at 200.
3 0
3 years ago
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