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Zinaida [17]
3 years ago
14

Pluto is 5,560,000,000 years old. Estimate the age of Pluto by writing it in the form of x×10y years, where x and y are single-d

igit numbers.
Mathematics
1 answer:
SashulF [63]3 years ago
4 0

Answer:

The age of pluto is:

5,560,000,000 years old = 5.56 × 10⁹ years old

x = 5.56

y = power of 9

Step-by-step explanation:

Pluto is 5,560,000,000 years old. Estimate the age of Pluto by writing it in the form of x×10y years, where x and y are single-digit numbers.

We write this in standard form or scientific notation.

5,560,000,000 years old = 5.56 × 10⁹ years old

x = 5.56

y = power of 9

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Joe worked 12 hours and packed 32 cartons. Bob worked 25 hours and packed 64 cartons. Did Joe and Bobwork at the same rate?O YES
Bas_tet [7]

To be able to compare the rates, we will write them in fraction form.

The fraction that represents Joe's rate is:

\frac{32}{12},

and the fraction that represents Bob's rate is:

\frac{64}{25}\text{.}

Simplifying the above fractions, we get:

\begin{gathered} \frac{32}{12}=\frac{8}{3}, \\ \frac{64}{25}=\frac{64}{25}\text{.} \end{gathered}

Since:

\frac{8}{3}\ne\frac{64}{25}

then Bob and Joe did not work at the same rate.

Answer:

No, Bob and Joe did not work at the same rate.

4 0
1 year ago
What is the equation of a vertical line passing through the point (3, 5)?
-BARSIC- [3]
D. x=3
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7 0
3 years ago
Read 2 more answers
(9+8)+32=49 which property is this
Sergio [31]
Associativity means
(A+B)+C=A+(B+C)=A+B+C

Substitute A=9, B=8, C=32 to apply to this problem.
6 0
3 years ago
Easy points. see image below
tatuchka [14]

Answer:

 6

Given expression:

  • \sf -(-(-3)) + 2 + |-7|

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If following is |-a| then |-a| = a

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Evaluate following

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4 0
2 years ago
What is the value of the expression 2 + 32 ⋅ (4 − 1)? <br> A: 24<br> B: 29 <br> C: 33 <br> D: 37
Paul [167]

For this case we have the following expression:

2 + 3 ^ 2 * (4 - 1)

Rewriting the expression we have:

1) First we subtract the numbers within the parenthesis:

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2) Then, we solve the exponents:

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3) Then, multiplication:

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4) Finally, the addition of numbers is made:

29

Answer:

the value of the expression is:

B: 29

3 0
3 years ago
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