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olchik [2.2K]
3 years ago
8

Which value has only 4 significant digits? a. 6.930 b. 8450 c. 0.392 d. 0.0450

Mathematics
1 answer:
disa [49]3 years ago
6 0

Answer:

A 6.930

Step-by-step explanation:

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sineoko [7]
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4 0
4 years ago
Kiran is playing a video game. He earns 3 stars for each easy level he completes and 5 stars for each difficult level he complet
Marina86 [1]

Answer:

10 easy levels and 10 difficult levels

Step-by-step explanation:

Given data

let the number of easy levels be x

and the number of difficult levels be y

so

x+y= 20----------1

and

3x+5y= 80------2

from 1

x=20-y

put this in 2

3(20-y)+5y= 80

60-3y+5y=80

2y=80-60

2y=20

y= 20/2

y= 10

put y= 10 in 1

x+10=20

x=20-10

x= 10

Hence Kiran played 10 easy levels and 10 difficult levels

7 0
3 years ago
How am I suppose to solve? Did I circle the right answer? <br> I circled D <br> A=pl over R
ZanzabumX [31]
First, multiply both sides by A
AR= pL

To solve for A, we must isolate it so divide both sides by R
A= (pL)/R

Final answer: D
4 0
3 years ago
What is 15% of 1085.6? Show your work
svetoff [14.1K]
15% of 1085/6 =
15/100 * 1085 6/10 =
= 15/100 * 10856/10 =
= 3/100 * 10856/2                  (after simplifying numerator of 15 and denominator of 10)
= 3/100 * 5428 =
= 16284/100 =
= <u>162,84</u>

Answer: 15% of 1085.6 is 162,84 (it's correct - I doublechecked it with calculator)
8 0
3 years ago
Which of the following is the correct notation for the complex number 113-√-68?
Artemon [7]
Well the answer is A. 113-2tsqr 17t
7 0
3 years ago
Read 2 more answers
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