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|

Question

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

0 Answers/Comments

Not a good answer? Get an answer now. (FREE)

Rating

There are no new answers.

There are no comments.

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)

Question

Advice|No Subcategories|Expert Answered

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

0 Answers/Comments

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

Advice|No Subcategories|

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

2 Answers/Comments

goodbadgood

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)

Question

Advice|No Subcategories|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)

Question

Advice|No Subcategories|Expert Answered

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)

Question

Advice|No Subcategories|Expert Answered

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

0 Answers/Comments