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3 years ago

What is 0.016667 to three significant figures

Mathematics

1 answer:

Korolek [52]3 years ago

6 0

Answer:

0.0167

Step-by-step explanation:

There are 5 "Sig Figs" in this number: 1, 6, 6, 6, and 7

0.01666 rounded to three significant figures is .0167.

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Which expression is equivalent to 0? (a)(-a) a +(-a) a/-a a - (-a)

cupoosta [38]

Answer:

a - a or (a +(-a))

Step-by-step explanation:

A negative plus a positive is always zero if they have the same variable.

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3 years ago

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How do you write 1 over 100 as a power of 10 with a negative exponent?

vaieri [72.5K]

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3 years ago

At the movie theatre, child admission is $5.20 and adult admission is $8.60. On Sunday, 132 tickets were sold for a total sales

xxMikexx [17]

Answer:

60 tickets for children were sold

Step-by-step explanation:

Let x be the number of sold children's tickets and let y be the number of adult tickets sold, then we can pose the following equations.

$x + y = 132$ (i) Because 132 tickets were sold in total

$5.20x + 8.60y = 931.20$ (ii) because the total of $ obtained by sales was 931.20.

We must clear x. Then we substitute (i) in (ii)

$5.20x +8.60(132-x) = 931.20$

$5.20x + 1135.2 - 8.60x = 931.20$

$-3.4x = -204$

$x = 60$

60 tickets for children were sold

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3 years ago

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The formula for the volume of a cone is V = jarh, where V is the volume, r is the radius, and h Is the heightWhat is the volume

olga nikolaevna [1]

Given:

The radius, r=4x

The height,

$h=21xy^2$

To find the volume of the cone:

The volume of the cone formula is,

$V=\frac{1}{3}\pi r^2h$

Substitute the values of r and h in the above formula we get,

$\begin{gathered} V=\frac{1}{3}\pi\times(4x)^2\times21xy^2 \\ =\frac{1}{3}\pi\times16x^2\times21xy^2 \\ =\pi\times16x^2\times7xy^2 \\ =112\pi x^3y^2 \end{gathered}$

Hence, the volume of the cone is

$V=112\pi x^3y^2$

Thus, the correct option is option D.

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1 year ago