Answer :
[tex]\sf 10\times b^3 \div -10[/tex]
Plug in 2 for 'b':
[tex]\sf 10\times (2)^3 \div -10[/tex]
Simplify the exponent:
[tex]\sf 10\times 8 \div -10[/tex]
Multiply:
[tex]\sf 80 \div -10[/tex]
Divide:
[tex]\sf\boxed{\sf -8}[/tex]
Plug in 2 for 'b':
[tex]\sf 10\times (2)^3 \div -10[/tex]
Simplify the exponent:
[tex]\sf 10\times 8 \div -10[/tex]
Multiply:
[tex]\sf 80 \div -10[/tex]
Divide:
[tex]\sf\boxed{\sf -8}[/tex]