41
3 and 7 multiplies to 21 and equals to 10
54
-21
-20
-21
41
The five consecutive numbers that add up to 100 are 18, 19, 20, 21, and 22. When you add these numbers together (18 + 19 + 20 + 21 + 22), the sum equals 100.
21
yes. -41+20=-21
-1
21 multiplies to 21 to make it 441
To calculate 5 x 21 using place value, we can break down 21 into its place values, which are 20 and 1. First, we multiply 5 by 20, which equals 100. Then, we multiply 5 by 1, which equals 5. Finally, we add these two results together: 100 + 5 = 105, so 5 x 21 equals 105.