What is 6.9-(-5)+4.1​

16

Step-by-step explanation:

6.9+5+4.1

11+5

16

pls thanks

16

Step-by-step explanation:

Recall that the product of a negative number and another negative number is a positive number.  Thus, -(-5) = +5, and the original expression becomes

6.9 + 5 + 4.1​.

Combining the mixed numbers 6.9 and 4.1, we get 11.

Combining 11 and 5 results in 16.

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.