Answer:
6.9
Step-by-step explanation:
6.90
Given the Number: 6.87
6 = unit
8 = tenth
7 = hundredth
Hence, to the nearest tenth ; we round the hundredth value ; since the hundredth value (7) is greater than 5, then we round to 1 and add to the tenth placed digit (8)
Therefore,
6.87 = 6.90 (nearest tenth)
75%
75% = 3/4
3/4 * 12 = 9
528 square inches
SA = 2(10·16) + 2(10·4) +2(4·16)
= 2(160)+2(40)+2(64)
= 320 + 80 + 128
= 528 square inches
