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Mathematics

2 answers:

Kamila [148]2 years ago

5 0

Answer:

the answer is 8,000

Step-by-step explanation:

slega [8]2 years ago

3 0

Answer:

0.008

and the way you do it is multiply 8×10 then you get 80 move the decimal to the left because it negative and that your answer

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Which of the following number sentences is an example of the identity property? Select all that apply.

ArbitrLikvidat [17]

I think one is 8.7 + 0 = 8.7

7 0

2 years ago

the perimeter of a rectangular painting is 356 centimeters. if the length of the painting is 96 centimeters, what is its width.

sladkih [1.3K]

P = 2(l + w)
p = 356
l = 96

356 = 2(96 + w)
356 = 192 + 2w
356 - 192 = 2w
164 = 2w
164/2 = w
82 = w

check....
p = 2(l + w)
356 = 2(96 + 82)
356 = 2(178)
356 = 356 (correct)

so the width (w) = 82 cm

5 0

3 years ago

Round to the nearest hundredth (Geometric Series problem)

WITCHER [35]

Answer:

15.98

Step-by-step explanation:

∑₁¹⁰ $8(\frac{1}{4} )^{n-1}$

$=8[1+\frac{1}{4} +\frac{1}{16} + ........ +t_{10}]$

We have to use the formula of sum of a G.P. series with common ratio r < 1.

If the first term is a, the common ratio is r and the number of terms is n then the sum [a + ar + ar² + ar³ + ......... up to n terms] is given by

$[a \times\frac{1-r^{n} }{1-r}]$