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Answers by Sue H.

rounding to the nearest thousand (answer)

Here's a handy process you can use to be sure you are rounding correctly. Whatever number you have, underline the place value that you need to round to: 1,354,029 Everything to the right of that number will turn into 0's. The trick is: Will you bump up the 4 or just dump the rest...

When is order of operations not applies in exponents? (answer)

The order of operations always applies in equations. I like to remember the order of operations as: Please Excuse MyDear AuntSally or Parentheses (Grouping Symbols), Exponents, Multiply/Divide left to right, and finally Add/Subtract left to right. It appears in your problem that there are...

how do you do algebra (answer)

Hi Alaina, In elementary school, we learn various ways to solve problems, but mostly we are learning the basics of computation or arithmetic. I like to think of algebra as being a detective to find a mystery number, which instead of having a box or shaded area, now uses a letter. So,...

Can you guys help me with this (answer)

Before you can combine like terms, you must always first consider if you need to use a number manipulation property, like the commutative, associative, or distributive property. Then you need to check if the order of operations is the next step in working through the problem. Combining like terms...

what are the common factors of 12 (answer)

You can find common factors by comparing the factors of 2 different numbers, like 12 and 20. You can determine common factors in 2 way: either making a list of the factors of both numbers or by finding the prime factors of both of them. Both methods are useful, but for smaller numbers, memorizing...

why cant you divide by zero, wont it just be zero? (answer)

Think of it tihs way: If you have 15 / 3, you have 15 things and you are putting 3 things in a group. If you divide it this way, you will get 5 groups. If you have 15 / 1, you have 15 things and you are putting only 1 thing in a group. If you divide it this way, you will get 15 groups. If...