2 years ago

What is the value of the expression a2 + b3 when a= 1/3 and b= 1/2 ?

Mathematics

1 answer:

Aleksandr-060686 [28]2 years ago

6 0

Answer:

B. $\frac{17}{72}$

Step-by-step explanation:

${a}^{2} + {b}^{3} \\ \\ = \bigg( \frac{1}{3} \bigg)^{2} + \bigg( \frac{1}{2} \bigg)^{3} \\ \\ = \frac{1}{9} + \frac{1}{8} \\ \\ = \frac{8 + 9}{9 \times 8} \\ \\ = \frac{17}{72} \\$

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