I think it is c 0.819 ,0.8199 ,81/100 ,815/100
Answer: Each pen cost $3.12
Step-by-step explanation:
If you divide 31.20 by 10 you will get 3.12. Each pen costs the same amount so that amount ten times would equal $31.20. To find out how much one pen costs you need solve for only one out of these ten pens which is why you divide.
Answer:
8.4 (42/5)
well you know that 1/4 as a decimal is .25 so take the 5 and put it in front of the .25, so you will have 5.25. And 5/8 as a decimal is .625. then just divide them by using long division or a calculator.
Answer:
7
Step-by-step explanation:
We are to solve 4.2÷0.6 using base 10 blocks
4.2 = 42/10
0.6 = 6/10
4.2÷0.6
= 42/10 ÷ 6/10
= 42/10 * 10/6
= 42/6
= 7
Hence the required expression using base 10 block is 7
I think it is A because 7.65/0.5 equals 1.53 and 7.65/2.42 equals 3.16
