anonymous
  • anonymous
you have to know if these signs are for signed numbers or are they operational signs, -5+6-8+9-4=, how do you know which they are?
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
they are assumed to be operators unless you have a bracket or parentheses.
anonymous
  • anonymous
for example 1-2 versus 1(-2) 1-2 = -1 1(-2)= -2
anonymous
  • anonymous
normally it does'nt matter 1+-1=0 no matter wat

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anonymous
  • anonymous
your calculator especially Ti calculators differentiate between a - and (-) - is a subtraction operator (-) is a negative sign
anonymous
  • anonymous
are you sure that-5 is a signed number and this would mean the operation is to subtract? 10(-)-5=15. in which case (-) is the operational sign and -5 is the signed number?

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