The Playwright Who Was Elected President of Czechoslovakia in 1990

question 59

Multiple Choice

The playwright who was elected president of Czechoslovakia in 1990 was

• A)Nicolae Ceausescu.
• B)Vaclav Havel.
• C)Lech Walesa.
• D)Petr Andropov.
• E)Andrei Sakharov.

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Definitions:

Variable Substitution

In mathematics, this involves replacing variables with other variables or values to simplify expressions or solve equations.

Mathematical Expression

A combination of numbers, operations, and sometimes variables that represents a mathematical relationship or value.

Exponentiation

The mathematical operation involving the raising of a number to the power of another number.

Mathematical Expression

A combination of numbers, operations, and symbols forming a meaningful equation or inequality.