Question

simplify. express your answer using positive exponents. (4d^4)(9d^4)

Explanation:

Step1: Multiply coefficients

$(4\times9)d^{4}d^{4}$

Step2: Use exponent - product rule $a^{m}a^{n}=a^{m + n}$

$36d^{4 + 4}$

Step3: Calculate the exponent sum

$36d^{8}$

Answer:

$36d^{8}$