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rosijanka [135]
3 years ago
10

Multiply (2.0 ⋅ 10^−4) ⋅ (3.1 ⋅ 10^−20). Express the answer in scientific notation

Mathematics
2 answers:
Dafna1 [17]3 years ago
5 0

Answer: 6.2 * 10^-24

ehidna [41]3 years ago
4 0
Multiply the constants then multiply the base 10 numbers.
2* 3.1 = 6.2
10^-4 * 10^-20 = 10^-24
Now put back together.
6.2 * 10^-24
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19. DODECAHEDRON A dodecahedron has twelve sides numbered
iragen [17]

Answer:

a = 8/12 (2/3)

b = 4/12 (1/3)

c = 6/12 (1/2)

Step-by-step explanation:

a= 1-8 = 8 numbers less than 9

b= 3,6,9,12 = 4 numbers multiple of 3

c = 7-12 = 6 numbers higher than 7

7 0
4 years ago
One more, again I aplolgize!
oksano4ka [1.4K]

Answer:

I would say it is D

Step-by-step explanation:

8 0
3 years ago
In circle O, central angle COD has a measure of 48. Find the measure of arc BC. In your final answer, include all your work ​
grandymaker [24]

Answer:

Measure of arc BC = 132°

Step-by-step explanation:

Measure of the central angle COD = 48°

Therefore, measure of arc AB = 48°

Since, segment AC is a diameter and central angle for a diameter is 180°.

Measure of major arc ABC = 180°

measure of arc AB + measure of arc BC = 180°

48° + measure of arc BC = 180°

Measure of arc BC = 180° - 48°

                                = 132°

5 0
3 years ago
A statue stands on a 625 m2 base. An artist creates a replica using a ratio of 1:10 What is the area of the replica's base?
DedPeter [7]

The new area of the given replica's base is; 6250 m²

<h3>What is the required area?</h3>

We are given;

Area of base of statue = 625 m²

Now, an artist wants to create a replica of the base of statue but in the ratio 1:10.

This means that the area will increase by a factor of 10 as 1 sq.unit of the old area will represent 10 sq. units in the new one.

Thus, new area = 625 * 10

New area of statue = 6250 m²

Read more about new area at; brainly.com/question/26858128

3 0
2 years ago
The Kingda Ka roller coaster is 456 ft tall. If you are at the top of the roller coaster and your friend is a horizontal distanc
Goshia [24]
Angle of elevation. 
<span>On the first, the 456 is the opposite leg and the 837 is the adjacent to the angle of elevation so use tangent (from soh cah toa); x = the angle measure </span>

<span>tan x = 456/837 </span>
<span>inverse tan (456/837) = x so do that on your calculator (be sure it is in degree mode). </span>

<span>Then for Ramsey, 1453 is opposite leg and 2960 is adjacent so you have tan x = 1453/2960 and do like the first one.</span>
8 0
3 years ago
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