Answer:The twenty first century tools used help represent and predict how much crops you can produce over time, and if you need to make changes or not.
Step-by-step explanation:
Yes all whole numbers are also rational number because they can be represented as a ratio of itself and 1, or as ratio of two other whole numbers.
For example:
4 = 8 / 2
4 = 4 /1
-3 = -9 / 3
1 = 1 / 1
3 = 3 / 1
Answer:
You can multiple it separately
Step-by-step explanation:
1). 347 multiplied by 24 can be done like 347 by 20 and 347 by 4. Then you add them up and get your answer
The sign for less than is <.
Answer:
Option a is the correct choice.
Step-by-step explanation:
Let n be number of hours studied by Nikki.
We are told that Cindy studied seven more hours than Nikki studied. This means that number of hours studied by Nikki plus 7 hours equals to the number of hours studied by Cindy.
We can represent this information in an expression as :

We can see from our given choices that expression given in option a represents the number of hours studied by Cindy in terms of hours studied by Nikki.
Therefore, option a is the correct choice.