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3 years ago

Kailey wrote 8,912,000 in scientific notation as 89.12 x 10(exponent 5). Which statement best describes Kailey’s work?

Mathematics

2 answers:

Makovka662 [10]3 years ago

7 0

Answer:

Step-by-step explanation:

olga55 [171]3 years ago

3 0

Answer:

Kailey is not correct: 89.12 x 10^5 is not written in scientific notation.

Explanation: Just took the test and that's the correct answer

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Solve for x. A. 6/3 B. 5 C. 12 D. 12.5

belka [17]

Answer:

x=12

Step-by-step explanation:

Using Proportion:

$\tt \cfrac{x}{16} =\cfrac{9}{x}$

$\tt x^2=9(16)$

$\tt x=12$

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2 years ago

A snowmobile traveled 32 miles in 2 1/3 hours.

laila [671]

Answer:

13.7 mph

Step-by-step explanation:

• d = st

Given:

d = 32 miles
t = 2 1/3 hr = 7/3 hr

Find the rate s:

s = d/t
s = 32-7/3 = 32 x 3/7 = 96/7 = 13.7 mph (rounded)

5 0

3 years ago

If log.. (125) = 3, then x =

Naddik [55]

5x5x5=125 so it could be x=5

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3 years ago

A dot plot titled Number of runs scored going from 0 to 5. 0 has 2 dots, 1 has 4 dots, 2 has 6 dots, 3 has 4 dots, 4 has 2 dots,

BaLLatris [955]

Answer:

abdef (those are the answers)

Step-by-step explanation:

6 0

3 years ago

6x + -2y² + 4xy² + 3x² + 5xy² simplify it

r-ruslan [8.4K]

$\large\displaystyle\text{$\begin{gathered}\sf 6x+-2y^{2}+4xy^{2}+3x^{2} +5xy^{2} \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf Group\:like\:terms \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf =3x^2+6x-2y^2+4xy^2+5xy^2 \end{gathered}$}$

$\large\displaystyle\text{$\begin{gathered}\sf Sum\:similar\:elements:\:4xy^2+5xy^2=9xy^2 \end{gathered}$}$

$\boxed{\large\displaystyle\text{$\begin{gathered}\sf 3x^2+6x-2y^2+9xy^2 \end{gathered}$} }$

7 0

2 years ago

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