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Let’s check out your problem:
Multiply.
\newline
13
4
×
21
2
=
\frac{13}{4} \times \frac{21}{2} =
4
13
×
2
21
=
_____
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Math Problems
Grade 7
Multiply and divide rational numbers
Full solution
Q.
Multiply.
\newline
13
4
×
21
2
=
\frac{13}{4} \times \frac{21}{2} =
4
13
×
2
21
=
_____
Set up multiplication:
Set up the multiplication of the two
fractions
.
13
4
×
21
2
\frac{13}{4} \times \frac{21}{2}
4
13
×
2
21
Multiply numerators and denominators:
Multiply the numerators and the denominators.
\newline
(
13
×
21
)
/
(
4
×
2
)
=
273
/
8
(13 \times 21) / (4 \times 2) = 273 / 8
(
13
×
21
)
/
(
4
×
2
)
=
273/8
Simplify fraction:
Simplify the
fraction
if possible.
273
/
8
273 / 8
273/8
cannot be simplified further.
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\newline
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Question
Solve for
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n
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and simplify your answer.
\newline
−
6
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n
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−
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=
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\newline
Answer:
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3
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A local package delivery service wants to improve the efficiency of its deliveries. As a first step, the management team decides to conduct a study to determine the average length of time from the arrival of a package at the company's mail center until its delivery at a home. Which of the following methods is most likely to produce valid results?
\newline
Choose
1
1
1
answer:
\newline
(A) The team selects the
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1,000
1
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000
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(B) The team calls
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\newline
(C) The team selects a random sample of
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\newline
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(
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\newline
(Round the answer to the nearest whole number.)
\newline
□
\square
□
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Question
Multiply:
\newline
−
0.1
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−
2
=
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