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Harrizon [31]
3 years ago
6

What is 221000000000000000000 expressed in scientific notation

Mathematics
2 answers:
alexgriva [62]3 years ago
5 0

Answer:

2,21 * 10^20

Step-by-step explanation:

yan [13]3 years ago
3 0

Answer: 2.21  times 10^18

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9 batteries cost 13 dollars.It's ratios and Rates
8090 [49]
One battery costs $1.44.

The unit rate would be
\frac{1.44}{1 battery}

To get that answer, you would have to divide 13 ÷ 9.

I'm not sure if this is what you were looking for, but if it was, I hope I helped! :-)
4 0
3 years ago
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8) Factor each sum or difference of cubes completely.<br> a. 8x3 + 27
ASHA 777 [7]

Answer:

\large\boxed{(2x+3)(4x^2-6x+9)}

Step-by-step explanation:

8=2^3\\\\8x^3=2^3x^3=(2x)^3\\\\27=3^3\\\\8x^3+27=(2x)^3+3^3\qquad\text{use}\ a^3+b^3=(a+b)(a^2-ab+b^2)\\\\=(2x+3)\bigg((2x)^2-(2x)(3)+3^2\bigg)=(2x+3)(4x^2-6x+9)

4 0
3 years ago
Amy bought a bag of chips for 0.75, a sandwhich for 5.50, a bottle of water for 1.60. How much does amy have left from 10.
ch4aika [34]

Answer:

Amy would have 2.15 left

Step-by-step explanation:

To find out how much she has left, subtract the cost of the items from 10.

10 - 0.75 - 5.50 - 1.60 = 2.15

8 0
3 years ago
Can somebody help me with this question please
harina [27]

Answer:

34

Step-by-step explanation:

Points B,C,D, and E are points on the edge of the circle.

\angle BCD and \angle BED are in the same segment.

We have that: \angle BCD=34\degree

We want find m\angle BED

Recall that angles in the same segment are congruent.

\therefore \angle BED=\angle BCD=34

So the answer is 34

3 0
3 years ago
Robin made a cuboid of plasticine. Length, breadth, and height of the cuboid are
kaheart [24]

Answer:

75

Step-by-step explanation:

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