Question Find the value of the expression $9 - (-1.7)$ .

Studdy Solution

STEP 1

Assumptions1. We are given a simple arithmetic problem involving subtraction and negative numbers $9 - (-1.7)$

STEP 2

In mathematics, subtracting a negative number is equivalent to adding a positive number. This is due to the rule of signs, which states that "minus a negative equals a positive." So, we can rewrite the problem as $9 - (-1.7) =9 +1.7$

STEP 3

Now, we simply add the two numbers.
$9 +1.7 =10.7$ So, $9 - (-1.7) =10.7$ .

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