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Answer

↓Steps Explained:↓

Use multiplication:

2650 x 210:

Line up our numbers vertically:

	2	6	5	0
x		2	1	0

Current result: 0 x 0 = 0

					2	6	5	0
x						2	1	0
								0

Show value = 0

Current result: 0 x 5 = 0

					2	6	5	0
x						2	1	0
							0	0

Show value = 0

Current result: 0 x 6 = 0

					2	6	5	0
x						2	1	0
						0	0	0

Show value = 0

Current result: 0 x 2 = 0

					2	6	5	0
x						2	1	0
					0	0	0	0

Show value = 0

New multiplication row:
Insert a 0 as our placeholder
Current result: 1 x 0 = 0

					2	6	5	0
x						2	1	0
					0	0	0	0
							0	0

Show value = 0

Current result: 1 x 5 = 5

					2	6	5	0
x						2	1	0
					0	0	0	0
						5	0	0

Show value = 5

Current result: 1 x 6 = 6

					2	6	5	0
x						2	1	0
					0	0	0	0
					6	5	0	0

Show value = 6

Current result: 1 x 2 = 2

					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0

Show value = 2

New multiplication row:
Insert a 00 as our placeholder
Current result: 2 x 0 = 0

					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0
						0	0	0

Show value = 0

Current result: 2 x 5 = 10

					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0
					0	0	0	0

Show value = 0
Carry value = 1

Step 11:
Last step carry value was 1.
Our current result equals:
2 x 6 + Carry value of 1 = 13

						1
					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0
				3	0	0	0	0

Show value = 3
Carry value = 1

Step 12:
Last step carry value was 1.
Our current result equals:
2 x 2 + Carry value of 1 = 5

					1	1
					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0
			5	3	0	0	0	0

Show value = 5

FINAL ADDITION SECTION

Add up our results by column:

					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0
			5	3	0	0	0	0
								0

Adding up column 1, we get: 0 + 0 + 0
Our column sum becomes 0.

					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0
			5	3	0	0	0	0
							0	0

Adding up column 2, we get: 0 + 0 + 0
Our column sum becomes 0.

					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0
			5	3	0	0	0	0
						5	0	0

Adding up column 3, we get: 0 + 5 + 0
Our column sum becomes 5.

					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0
			5	3	0	0	0	0
					6	5	0	0

Adding up column 4, we get: 0 + 6 + 0
Our column sum becomes 6.

					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0
			5	3	0	0	0	0
				5	6	5	0	0

Adding up column 5, we get: 2 + 3
Our column sum becomes 5.

					2	6	5	0
x						2	1	0
					0	0	0	0
				2	6	5	0	0
			5	3	0	0	0	0
			5	5	6	5	0	0

Adding up column 6, we get: 5
Our column sum becomes 5.

Final Answer