Can some one please help me ???

Answers

Answer 1

Answer: Scientific notation means -- one digit before the decimal point, all the others after it; -- count jow many places you have to move the decimal point to make the number look like that; -- left is positive, right is negative; -- after the digits, write " x 10 to the power of" that number from moving the point. / / / / You're starting with 0.006468 . You want it to be 6.468 . You have yo move the decimal point 3 places to the right ... that makes the power -3 . Finally, in scientific notation, it's 6.468 x 10 to the -3 power.

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Write a word problem that can be solved by finding the numbers that have 4 as a factor

Answers

Answer:

'There are 7 rocks in 4 boxes, How many rocks are there in total.'

Step-by-step explanation:

We are given to form a word problem having solution which has 4 as a factor.

Now, if we take the following statement,

'There are 7 rocks in 4 boxes, How many rocks are there in total.'

Its solution is given by,

As there are 4 boxes in total and each box has 7 rocks.

Thus, total number of rocks will be 4 × 7 = 28.

We can see that 4 is a factor of 28.

Hence, the word problem could be 'There are 7 rocks in 4 boxes, How many rocks are there in total.'

Rearrange
A= 1/2(a+b)h
to make h the subject

Answers

sorry I don't know if this is right but h=1/2 a(a+b)

-multiply out the brackets

Ms. White has 15 students in her first grade class. Troy is the line leader for the week, and Mackenzie is last because she was the line leader last week. In how many different ways can Ms. Whites class line up for lunch?

Answers

The first place and 15th place are already decided, so we have to find the number of
different ways that the other 13 students can line up, in the places from #2 to #14.

2nd place can be any one of 13 people. For each of those . . .
3rd place can be any one of 12 people. For each of those . . .
4th place can be any one of 11 people. For each of those . . .
.
.
.
13th place can be any one of 2 people. For each of those . . .
14th place has to be the one student who is left.

Total number of ways that 13 students can line up in places #2 through #14 is

(13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1)

That number is called "thirteen factorial". The number is 6,227,020,800 .

When you write it in math, you write it like this: 13!

Karen colors in squares on a grid . She colors 1/8 of the squares blue and 5/8 of the squares red. What fraction of the squares are not colored in?

Answers

2/8 are not colored in

2\8 is missing hope it's good and correct

Carl has three lengths of cable,5
_
6
yard long,
1
_
4
yard long,
and
2
_
3
yard long. He needs at least 1 yard of cable.
a
Which two pieces together make a length at least
1 yard and closest to 1 yard?
b
If Carl uses the two shortest pieces, how much more cable would he need?

Answers

Lowest common denominator for 3,4,6 is 12

5/6 = 10/12
1/4 = 3/12
2/3 = 8/12

a)
10/12 + 3/12 = 13/12 = 1 1/12
So you need to use first and second cables

b)
3/12 + 8/12 = 11/12
To reach 1 yard Carl need 1/12 yard cable

A blueprint scale is 1/4 in = 1 ft. If the blueprint measurement is 3 in in x 3 in, what should you cut?

Answers

I should cut out a 12 ft by 12 foot

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