Negative or positive 576(-999)(-1)(-1)(-3)

Positive

Step-by-step explanation:

neg x neg = pos

neg x neg = pos

pos x pos x pos = pos

Positive.

Step-by-step explanation:

Start with parenthesis, we have a negative x negative = positive times the next negative = negative times the last parenthesis which is negative so negative times negative = positive. Then times the positive by the remaining number outside parenthesis and get positive times a positive = positive.

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.