Question

1) 0,72+3,018 2)4-2,8 3)1,8*0,3 4)5,4:6 5)72:0,09 6)9:4

Answer 1

1) 0,720 + 3,018 = 3,738
2) 4 - 2,8 = 1,2
3) 1,8 × 0,3 = 0,54
4) 5,4 : 6 =  0,9
5) 72 : 0,09 = 800
6) 9 : 4 = 2,25

Answer 2

1)0,720 + 3,018=3,738
2)4-2,8 = 1,2
3)1,8*0,3 = 0,54
4)5,4:6 =54:60= 0,9
5)72:0,09 = 7200 :9=800
6)9:4 = 2,25

Answer 3

1) 0,72 + 3,018 = 3,738 To add these two numbers, you simply add the digits in each place value column. Start from the rightmost column, which is the tenths place in this case, and move towards the left. Add the digits in the tenths place, which gives you 2. Then move to the next column, which is the units place, and add the digits there, which gives you 6. Therefore, 0,72 + 3,018 = 3,738.

2) 4 - 2,8 = 1,2 Subtracting these two numbers is similar to addition. Start from the rightmost column, which is the tenths place in this case, and move towards the left. Subtract the digits in the tenths place, which gives you 2. Then move to the next column, which is the units place, and subtract the digits there, which gives you 1. Therefore, 4 - 2,8 = 1,2.

3) 1,8 * 0,3 = 0,54 To multiply these two numbers, you simply multiply the digits in each place value column. Start from the rightmost column, which is the tenths place in this case, and move towards the left. Multiply the digits in the tenths place, which gives you 0, then move to the next column, which is the units place, and multiply the digits there, which gives you 1. Therefore, 1,8 * 0,3 = 0,54.

4) 5,4 : 6 = 0,9 To divide these two numbers, you divide the first number (dividend) by the second number (divisor). In this case, you divide 5,4 by 6. The result is 0,9.

5) 72 : 0,09 = 800 To divide these two numbers, you divide the first number (dividend) by the second number (divisor). In this case, you divide 72 by 0,09. The result is 800.

6) 9 : 4 = 2,25 To divide these two numbers, you divide the first number (dividend) by the second number (divisor). In this case, you divide 9 by 4. The result is 2,25.

So, the answers to the given expressions are: 1) 3,738 2) 1,2 3) 0,54 4) 0,9 5) 800 6) 2,25