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3 years ago

8

who does the number, of zeros in the product of 8 and 5000 compara to the number of zeros in the factors ? explain.

1 answer:

mezya [45]3 years ago

4 0

If one of the numbers we multiply (factors) has zeros at the end, and the other isn't a fraction: all those zeros will stay in the product.

But there might be additional zeros if the other numbers in the factors (the numbers which aren't 0) mupliply to "end" in zero and this is the case here:

8*5=40.

so the product will be 40 and the zeros of the 5000:

40 000

the number of zeros in the product will be bigger than the number of zeros in the factors if the non-zero parts of the fractions multiply to a number with 0 at the end.

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16. Two golfers completed one round of golf. The first golfer had a score

bearhunter [10]

9514 1404 393

Answer:

9

Step-by-step explanation:

The extra shots can be computed from the difference in their scores:

6 -(-3) = 6 +3 = 9

The first golfer took 9 more shots.

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2 years ago

Solve using the elimination method:<br> X-3y=7<br> 3x + 3y=9

sergij07 [2.7K]

Answer:

$x=4\\\\y=-1$

Step-by-step explanation:

Given Equation:

$x-3y=7$ Equation:1

$3x + 3y=9$ Equation:2

Dividing Equation:2 by '3' both the sides:

$x+y=3$

or $x=3-y$ Equation:3

Putting the vale of 'x' in Equation:1

$x-3y=7$

$(3-y)-3y=7\\\\3-y-3y=7\\\\3-4y=7\\\\$

Subtracting '3' both sides

$-4y=7-3\\\\-4y=4$

$y=\frac{4}{-4}$

$y=-1$

Putting value of 'y' in Equation:3

$x=3-y$

$x=3-(-1)\\\\x=3+1\\\\x=4$

The solution of the equations is :

$x=4\\\\y=-1$

7 0

3 years ago

Which of the following is equivalent to x 3/7

dem82 [27]

I believe it would be b.
explanation: use this rule: (x^a)^b = x^ab

3 0

3 years ago

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If x = 73, what is the value of x ?

ad-work [718]

Answer: 73?

Step-by-step explanation:

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3 years ago

Read 2 more answers

Find the seventh term of the sequence 40, 0.4, 0.004, ....

natima [27]

Answer:

Answer: Option d. 4× $10^{-11}$

Step-by-step explanation:

In any sequence where ratio of the terms is given we always use the formula

A(n) = A(1) $r^{n-1}$

Here A(n) is the term n

A(1) is the first term

n= number of trms

and r = ration of the terms

Here the given sequence is 40,0.4,0.004........

So A(1) = 40

Ratio 'r' of second and first term is =0.4/40=1/100

We have to find 7th term so n=7

Now we put the values in the formula

A(7) = $40(1/100)^{7-1}$

= $40(1/100)^{6}$

= $40/100^{6} =40/10^{12}$

= 40× $10^{-12}$

= 4× $10^{-11}$

7 0

3 years ago