It determines the value that the number holds. Solved by verified expert. The teacher is leaving the school. 07 the 7 is in the hundredths place and is the same as the fraction 7/100. 9 times as much as 7 tenths. The right of the decimal point is like a fraction. The decimal point is a dot between digits in a number. Get 5 free video unlocks on our app with code GOMOBILE. You can see from the chart that when the place value is to the right of the decimal point, then the power of 10 becomes negative. Enter your parent or guardian's email address: Already have an account? When lining up decimal numbers, be sure to line them up using the decimal point.
Create an account to get free access. Multiply as indicated. Therefore, the value of 9 times as much as 7 tenths is 6. Seven to the second power is 49, 9 to the second power is 81.
Step-by-step explanation: We need to find the number that is 9 times as much as 7 tenths. At first you may want to just write these numbers down like this: 2, 430. Nine to the second power. 700 - hundreds place.
We use decimals as our basic number system. The value of 7 tenths is. 7 is to 21 as 9 is to. In the case where the place value is to the right of the decimal point, the place tells you the fraction. 7/9 to the 2nd power as a fraction. In the decimal system each place represents a power of 10. Try Numerade free for 7 days. His second power is more than twice as much as 7/9.
Another important idea for decimals and place value is the decimal point. Line up the numbers 2, 430 and 12. There are other systems that use different base numbers, like binary numbers which use base-2. Numbers to the right of the decimal point hold values smaller than 1. I hope the video helps. The place value of the 7 determines the value it holds for the number. For example, when we say 7 is in the hundreds place in the number 700, this is the same as 7x102.
The place value is the position of a digit in a number. Answered step-by-step. Here is a chart showing how this works.
This problem has been solved! When you start to do arithmetic with decimals, it will be important to line up the numbers properly. Decimals Place Value. For this 17 times seven equals 49 nine times nine equals 81. This way you will have the other place values lined up as well. As the place moves to the left, the value of the number becomes greater by 10 times. Now when you line up the decimal points you get: The two numbers are lined up by place value and you can begin math like adding or subtracting. One of the first things to learn about decimals is the place value. You can rewrite 2, 430 with decimal points so that it looks like 2, 430. Let's take a basic example: Comparing the numbers 700, 70, and 7; the digit "7" has a different value depending on its place within the number. The decimal system is based on the number 10.
However, the decimal points and place values are not lined up. The second power looks like seven to the second. On further simplification we get. It is sometimes called a base-10 number system. You get the same answer no matter which way you do it. By clicking Sign up you accept Numerade's Terms of Service and Privacy Policy. Hundred thousandths.