What is the meaning of GEMDAS?

a. Grouping, Equal, Multiplication, Division, Addition, Subtraction
b. Grouping, Exponent, Multiplication, Division, Addition, Subtraction
c. Grouping, Exponent, Multiplication, Addition, Subtraction
d. Grouping, Exponent, Multiplication, Division, Subtraction

6. In 7 x 7 x 7 x 7 x 7, what is the exponent?

a. 7
b. 35
c. 12
d. 5

7. Which of the expressions has a value of 125?

a. 5 x 5 x 5
b. 5 x 5 x 5 x 5
c. 5 x 5 x 5 x 5 x 5
d. 5 x 5

8. In 5 x (7 - 2²) + 8, the correct order of operation is

a. multiplication, addition, exponent, subtraction
b. addition, multiplication, subtraction, exponent
c. exponent, subtraction, multiplication, addition
d. exponent, subtraction, addition, multiplication

9. In the expression 9 x (10 - 3²) + 18, addition should be done

a. first
b. second
c. third
d. last

ᴘᴀ ᴀɴsᴡᴇʀ..​