Question

answer in process/explanations​

Answer 1

Answer:

Step-by-step explanation:

$5) 12\frac{3}{5} -5\frac{4}{5} \\=\frac{63-29}{5} \\=\frac{34}{5} \\=6\frac{4}{5}$

$6) 17\frac{3}{4} *8\frac{1}{2} \\= \frac{71}{4} * \frac{17}{2} \\=\frac{1207}{8} \\=150\frac{7}{8}$

Answer 2

Step-by-step explanation:

Acceleration due to gravity becomes half at a depth of half the radius of the earth.