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2 years ago

47. How many metres are in one light year?

2 answers:

6 0

1 Light year is 9.460 730 472 5808 x 1015 meters (SI unit). Distance light can travel in a vacuum over a period of 365.25 days.

s344n2d4d5 [400]2 years ago

6 0

Answer:

9.461 × 1015 meters

Step-by-step explanation:

for an approximate result, multiply the length value by 9.461e+15

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How do i use Scientific notation on these problems? Because I don't know...

saveliy_v [14]

Answer:

Simplify the problems first

Step-by-step explanation:

Before you can convert it to scientific notation, you should simplify it first.

#1 for example:

$(4 \times 10^5)^2\\$

Use PEMDAS to solve the equation:

$(4 \times 10^5)^2\\= 400000^2\\= 160000000000$

So, now we have a super big number. To write it in scientific notation, put a decimal place in the number before the zeroes start. It would be $1.6 \times 10^{11}$ since there are 11 places after the decimal.

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2 years ago

What is the volume of a cylinder with a high of 9 inches in the diameter of 8 inches use 3.14 to approximate pi to calculate the

Natasha_Volkova [10]

Answer:

452 cubic inches

Step-by-step explanation:

In terms of diameter, the volume of the cylinder is ...

V = (π/4)d^2h

Filling in the given numbers, we get ...

V =(3.14/4)(8 in)^2(9 in) = 452.16 in^3

The cylinder volume is about 452 cubic inches.

8 0

2 years ago

Naomi surveyed some students to determine their favorite subject. The experimental probability of a student choosing math as the

yawa3891 [41]

64 because if she asked some students she didn’t ask her class

8 0

2 years ago

Read 2 more answers

What is the sum of 7/9 + 3/5

Flura [38]

The sum of 7/9 and 3/5 is 7/15

4 0

2 years ago

Read 2 more answers

Use consensus property to add a subexpression which will help you simplify the expression

tankabanditka [31]

Answer:

Hi. The subexpression is:

1/ $x^{5}+x^{6}+x^{3}$

Step-by-step explanation: Adding the exponents of x the equation is as follows :

$x^{5}+x^{6}+x^{3}$

if you multiply by the subexpression 1/ $x^{5}+x^{6}+x^{3}$ , the equation would be simplified, as follow:

( $x^{5}+x^{6}+x^{3}$ )*(1/ $x^{5}+x^{6}+x^{3}$ ) = 1

5 0

2 years ago