Respuesta :
0.9
this is because 2+1= 3 multiply by 3 is 9.
this in the tenth place is 0.9 or.9
this is because 2+1= 3 multiply by 3 is 9.
this in the tenth place is 0.9 or.9
(1 + 2) × 3 = 9 which is 0.9 tens
What is place value?
"It is the system in which the position of a digit in a number determines its value."
For given question,
We need to multiply the sum of 1 and 2 by 3 .
the sum of 1 and 2 is,
1 + 2 = 3
Now, multiply the sum of 1 and 2 by 3
(1 + 2) × 3
= 3 × 3
= 9
The place value of 9 is ones.
We can write 9 in form of tens as,
9 = 0.9 × 10
This means, (1 + 2) × 3 is 0.9 tens.
Therefore, (1 + 2) × 3 = 9 which is 0.9 tens.
Learn more about the place value here:
brainly.com/question/27734142
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