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just olya [345]
3 years ago
5

“Express each of the following numbers using scientific notation “

Mathematics
1 answer:
avanturin [10]3 years ago
5 0

11. 1.97 * 10^-6

12. 3.5 * 10^-3

13. 2.28 * 10^13

14. 5.302 * 10^-3

15. 1.64 * 10^1

16. 9.85 * 10^-1

Can you see the pattern?

Try the rest yourself

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Nataly_w [17]

Answer:41550

Step-by-step explanation:

30000×.07=2100

2100×5.5=11550

11550+30000=41550

5 0
3 years ago
Kevin is 3 years older than daniel. Two years ago, Kevin was 4 times as old as Daniel. Let k be Kevin’s age and let d be Daniels
bezimeni [28]

Answer:

Daniel (now) is 3 years old,  (2 years ago) is 1 year old.

Kevin (now) is 6 years old,   (2 years ago) is 4 years old.

Step-by-step explanation:

Now:

-Kevin: k = d + 3

-Daniel: d

2 years ago:

-Kevin: k - 2 = 4(d - 2)

-Daniel: d - 2

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4(d - 2) + 2 =  d + 3

4d - 8 + 2 = d + 3

3d - 6 = 3

3d = 9

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8 0
3 years ago
Could someone help me, please? I’ll appreciate it.
Liono4ka [1.6K]

Answer:

Step-by-step explanation:

5x/20 =45/36

5x = 20(45/36)

5x = 25

x = 5

8 0
2 years ago
What is x / 4 - 6 > 2
USPshnik [31]

Answer:

the answer I got was x>36

I hope this helped

8 0
2 years ago
Which mapping diagram does NOT represent a function from x → y?
alexandr402 [8]

Answer:

D

Step-by-step explanation:

The answer is D because for it to be a function x-value can only have one output. For D, 8 has two outputs 1 and 4.

5 0
3 years ago
Read 2 more answers
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