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I am A mathematical phrase that has numbers and operation signs but no equal sign?
There are a few numbers that do not need signs. You do not have to sign when timing something.
What is part of a number sentence that combines numbers and operation signs but does not have an equal sign?
An "expression", is part of a number sentence that combines numbers and operation signs but does not have an equal sign" Example: x/y , when x=10 and y=5 , the assumption of this expresssion is 10/5 or 2. Or: 2+3 , the assumption of this expression is 5 even though no equal sign is present. Lyle Larson 4th grade Southern California
Rules in operation for signed numbers?
rules of operation sign of numbers
What is a mathematical phrase that uses only number and operation signs?
If there is an equal sign, it is called an equation; if there is a less-than, a less-than-or-equal, a greater-than, or a greater-than-or-equal sign, an inequality; if there is none of these, an expression.
Does multipling two negative numbers equal a positive?
If two numbers have the same sign, their product is positive. If two numbers have opposite signs, their product is negative. So the answer is 'yes'.
