Final answer:
The expression 2m-7m³ -2m² +8 has 4 terms: 2m, -7m³, -2m², and 8.
Step-by-step explanation:
The expression 2m-7m³ -2m² +8 has 4 terms.
The terms in the expression are:
The expression given is 2m - 7m³ - 2m² + 8. To determine the number of terms in the expression, we count each part of the expression that is separated by a plus or minus sign. In this expression, there are four terms, which are 2m, -7m³, -2m², and +8.