What is the result of adding (2.5 × 103) + (3.5 × 102)?
A.
6.0 × 103
B.
2.85 × 103
C.
6.0 × 105
D.
2.85 × 105

(2.5 × 103) + (3.5 × 102) = 614.5 . A. =618 B. =293.55 C. =630 and D. =299.25. So it would be none of the choices.

Expert answered|sharpies|Points 4037|

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Asked 10/7/2011 8:49:39 AM

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How many significant digits are in the number 340?
A.
1
B.
2
C.
3
D.
0
**Weegy:** Sir/Madam the answer is letter "B. 2". Explination: because Any zeroes not required for that spacing are significant. (More)

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Asked 10/5/2011 9:32:17 AM

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What is the density of a block whose dimensions are 2.45 cm × 3.2 cm × 4.078 cm and whose mass is 2.86 kg?
A.
89 g/cm3
B.
89.5 g/cm3
C.
89.45 g/cm3
D.
89.455 g/cm3
**Weegy:** The block is 5.326 kilograms. **User:**
What is the density of a block whose dimensions are 2.45 cm × 3.2 cm × 4.078 cm and whose mass is 2.86 kg?
A.
89 g/cm3
B.
89.5 g/cm3
C.
89.45 g/cm3
D.
89.455 g/cm3
**Weegy:** The block is 5.326 kilograms. (More)

Question

Updated 10/5/2011 3:11:01 PM

2 Answers/Comments

answer is C. 89.45 g/cm3
solution
volume=2.45 cm × 3.2 cm × 4.078 cm=31.97 cm3
density= mass / volume
=2860 g/ 31.97 cm3
= 89.45 g/cm3

Added 10/5/2011 3:10:53 PM

How many significant digits are in the number 204.0920?
A.
4
B.
5
C.
6
D.
7
**Weegy:** seven **User:**
How many significant digits are in the number 2370.0?
A.
2
B.
3
C.
4
D.
5
**Weegy:** The answer is D. 5. There are 5 significant digits in the number 2370.0. **User:**
In the measurement 0.604 L, which digit is the estimated digit?
A.
6
B.
the 0 immediately to the left of the 4
C.
4
D.
the 0 to the left of the decimal point
(More)

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Expert Answered

Asked 10/5/2011 9:51:01 AM

0 Answers/Comments

What is the measurement 222.008 mm rounded off to four significant digits?
A.
222 mm
B.
222.0 mm
C.
222.01 mm
D.
220 mm
**Weegy:** D. 220 mm (More)

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Updated 10/7/2011 8:30:21 AM

1 Answer/Comment

Read the excerpt from "Verses Upon the Burning of our House."
Yea, so it was, and so 'twas just.
It was his own; it was not mine.
Far be it that I should repine,
He might of all justly bereft
But yet sufficient for us left.
What is the definition of the word repine?
A.
to complain
B.
to agree
C.
to walk away
D.
to celebrate
**Weegy:** repine is to complain. (More)

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Asked 10/6/2011 7:46:11 AM

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