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Elenna [48]
2 years ago
12

I need help with this

Mathematics
1 answer:
igomit [66]2 years ago
3 0
I think its 63 3x3x7
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What is a simple way to find 12 mod 7 + 12 mod 7 + 12 mod 7 + 12 mod 7?
pashok25 [27]

12 ≡ 7 + 5 ≡ 5 (mod 7)

so

12 + 12 + 12 + 12 ≡ 4•12 ≡ 4•5 ≡ 20 ≡ 14 + 6 ≡ 6 (mod 7)

3 0
2 years ago
Select all the correct answers. What is 221,000,000,000,000,000,000 expressed in scientific notation? 2. 21 × 1021 2. 21E20 2. 2
goldfiish [28.3K]

To solve the problem we must know about Scientific notations.

<h2>Scientific notations</h2>

The way through which a very small or a very large number can be written in shorthand. In scientific notations when a number between 1 and 10s is multiplied by a power of 10.

For example, 6,500,000,000,000 can be written as 6.5e+12.

The number of 221,000,000,000,000,000,000 can be represented as 2.21e+21.

<h2>Explanation</h2>

Given to us

  • 221,000,000,000,000,000,000

The above number can be written as 2.21e+21.

As in scientific notations, the number between 1 and 10 can only be represented, therefore, the number can be only 2.21e+21.

Hence, the number of 221,000,000,000,000,000,000 can be represented as 2.21e+21.

Learn more about scientific notations:

brainly.com/question/1740231

7 0
2 years ago
Will mark branliest answer if gotten right!!!!!
Crank

Answer:

it is 4

Step-by-step explanation:

i will do this some other time

7 0
2 years ago
Oil prices are projected to increase by 100% by next June. A quart of oil currently costs $2.45. What is the projected cost of a
lisov135 [29]

Answer:

4.9

Step-by-step explanation:

100% of 2.45 is 2.45.

We add 2.45 + 2.45 which is <u>4.9. </u>

Can I get brainliest?

8 0
3 years ago
Coretta buts a pair of jeans that is on sale for 20% off. The regular price is marked as $26.00. What is the sale price of the j
DanielleElmas [232]

Answer:

What are the answer options and I  think its 130

Step-by-step explanation:

  1. bc 2600 divided by 20 is 130 I think...
8 0
3 years ago
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