Answer:7 times what can give you 210 ... 30 so 181 and 7 times what gives you 140 ...20 so now 41 so 7 times 5 is 35 now you have 6
Step-by-step explanation:
The answers in the first box are 630, in the second box 9, and in the third box 2737 after multiplying 391 by 7.
Arithmetic is an area of mathematics involving the study of numbers and the different operations that can be performed on them. Addition, subtraction, multiplication, and division are the four basic math operations.
We have given:
391
× 7
______
7 7×1 one
630 7×9 tens
+2100 7×3 hundred
________
2737
After multiplying 391 by 7 we will get, 2737
Thus, the answers in the first box are 630, in the second box 9, and in the third box 2737 after multiplying 391 by 7.
Learn more about the arithmetic operation here:
brainly.com/question/20595275
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