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3 years ago

What is 4.153 rounded to the nearest tenth?

Mathematics

2 answers:

Dmitry_Shevchenko [17]3 years ago

7 0

The answer is 4.2. Have a good day

dezoksy [38]3 years ago

6 0

The answer is 4.200 and it was because the one is in the tenths place and the 5 next to it is larger than a 1-4

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Pleaseeeeeeeeeeee

Karo-lina-s [1.5K]

$\text{The scientific notation:}\\\\a\times10^n\\\\1\leq a$

$a.\\(5\times10^3)\times(3.5\times10^{-1})=(5\times3.5)\times(10^3\times10^{-1})\\\\=15.75\times10^{3+(-1)}=15.75\times10^2=1.575\times10\times10^2\\\\=1.575\times10^{1+2}=\boxed{1.575\times10^3}$

$b.\\(8\times10^2)\div(4\times10^3)=(8\div4)\times(10^2\div10^3)=2\times10^{2-3}\\\\=\boxed{2\times10^{-1}}$

$c.\\(6\times10^{-3})^2=6^2\times(10^{-3})^2=36\times10^{-3\cdot2}=36\times10^{-6}=3.6\times10\times10^{-6}\\\\=3.6\times10^{1+(-6)}=\boxed{3.6\times10^{-5}}$

$Used:\\\\a^n\times a^m=a^{n+m}\\\\a^n\div a^m=a^{n-m}\\\\(a^n)^m=a^{n\cdot m}$

5 0

3 years ago

In a group of 28 students, 12 study both Art and Biology.

MAVERICK [17]

Answer:

100%

Step-by-step explanation:

Use conditional probability:

P(B | A) = P(B and A) / P(A)

P(B | A) = (12/28) / P(A)

We need to find the probability that a student studies art.

P(A or B) = P(A) + P(B) − P(A and B)

24/28 = P(A) + (12+12)/28 − 12/28

P(A) = 12/28

P(B | A) = (12/28) / (12/28)

P(B | A) = 1

What this means is that all of the students who study art also study biology.

3 0

3 years ago

Does anyone know how to solve this

madam [21]

Hey I think the answer is letter b if not
I am sorry

6 0

3 years ago

A cylinder has a base area of 100cm and volume of 1500 cm what’s the height

e-lub [12.9K]

Answer:

we know,

Volume of cylinder = Base area × height

1500= 100×h

so, Height h = 15 cm

6 0

2 years ago

3x+14=11 <br> a. 4<br> b.-1<br> c. 3

EleoNora [17]

For this question, you would go; 11 - 14 = -3 Then; -3 ÷ 3 = -1 The answer is b) -1 :)

6 0

3 years ago