How does understanding place value help you subtract across zeros?

Answers

Answer 1

Answer: I was told that it's a strategy to help you get better at math

Related Questions

What is 6 3/4 plus 2 2/4
Which of the following is NOT always true about a rhombus? (A) All sides are congruent. (B) All angles are congruent. (C) It has two pairs of parallel sides. (D)It has two pairs of congruent angles.
100 pts guys, plz HELP asap
You make punch for a party. The ratio og ginger ale to fruit juice is 8 cups to 3 cups. You decide to add 4 more cups of ginger ale. How many more cupsof fruit juice do you need to keep the correct ratio.
Which of the following is equivalent to the expression

#1 What is the value of the expression 7–3? Answers: A. –21B. - 1/343 C.1/343 D. 343

#2What is the value of the expression 1/5^-5? Answers: A. 1/3125 B.1/25 C.25 D. 3125

#3What is the value of the expression 2/4^-3?Answers: A. 1/32 B. 1/6 C.128 D.256

#4 What value of k solves the equation? K^-2=1/64 Answers: A.1/8 B. 8 C. 32 D. 128

#5 What value of n solves the equation? 4^N= 1/64 Answers: A. –3 B. 3 C. 16 D. 256

Answers

First question

The given expression is

$7^(-3)$

Which can also be written as

$(1)/(7^3)= (1)/(343)$

Therefore the correct option is C.

The given expression is

$(1)/(5^(-5))$

Which can also be written as

$5^5 = 3125$

So the correct option is D

The given expression is

$(2)/(4^(-3))$

Which can also be written as

$2*4^3 = 2* 64=128$

And the correct option is C

The given equation is

$k^(-2) = (1)/(64) \n k^2 = 64 \n k^2 = 8^2 \n k=8$

So the correct option is B

The given equation is

$4^N = (1)/(64) \n 4^N = 4^(-3) \n N =-3$

And the correct option is A .

$\#1\ \ \ 7^(-3)= (1)/(7^3) = (1)/(343)\ \ \ \Rightarrow\ \ \ Ans.\ C\n \n \#2\ \ \ (1)/(5^(-5))=5^5=3125\ \ \ \Rightarrow\ \ \ \ Ans.\ D\n \n \#3\ \ \ (2)/(4^(-3))=2\cdot4^(3)=2\cdot 64=128\ \ \ \Rightarrow\ \ \ Ans.\ C\n \n\#4\ \ \ K^(-2)= (1)/(64) \ \ \Rightarrow\ \ \ (1)/(K^2) = (1)/(64)\n\n .\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ K^2=64 \ \ \Rightarrow\ \ K=8\ \ \Rightarrow\ \ Ans.\ B\n \n$

$\#5\ \ \ 4^N= (1)/(64)\ \ \Rightarrow\ \ \ 4^N=4^(-3)\ \ \ \Rightarrow\ \ \ N=-3\ \ \ \Rightarrow\ \ \ Ans.\ A$

I need help with algebra. i will give you 50 points if you will help me.

Answers

$20=v+9-16$ Equation

$20=(v)+(9+-16)$ $Combine \ like \ terms$

$20=v+-7$

$20=v-7$

$v-7=20$

$v-7+7=20+7$ $\ Add \ 7 \ to \ both \ sides$

$v=27$ $Solution$

What are the factor of 12 but not a multiple of 4

Answers

First, you should list the factors of 12. Keep going until you see a number that isn't a multiple of 4.

1 and 12
2 and 6
3 and 4

2, 6, and 3 are all factors of 12 and none of them are multiples of 4.

Some factor of 12 but not a multiple of 4 is 2,3,1, and 12

Dr. Piegan treated 440 dogs. The percentage of obese dogs increased from 52.5 percent in 2010 to 55.0 percent in 2011. What was the percent increase?

Answers

Well, the formula for finding percent change is $(amount of change)/(original amount)$ . So, the amount of change is 2.5 and original amount is 52.5. Then, to get the percent increase, you divide 2.5 by 52.5 which is 0.047619048. You multiply by 100 since its percent and get 4.7619048. But you should probably round to the nearest tenth ≈ 4.8%.

Need help question 4

Answers

You need to find what 3 is if 5 is $520,000
$520,000 divided by 5 = 104,000
104,000 x 3 = 312,000

Therefore 3 is 312,000
Hope this helps :3

What is 8.354 times 11.81

Answers

Do you not have a calculator? Anyway, the answer is 98.66074.

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a full container of juice holds 64 fluid ounces. how many 7 fluid ounce servings of juice are in a full container?

Gail and her three friends all share half a pie. Gail a and her friends each eat an equal sized piece. They believe each piece has and angle to 25 degrees. Are their calculations correct?

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