Answer:
B
Step-by-step explanation:
Answer:
139.48
Step-by-step explanation:
cos(55)=80/x
80/cos(55)=x
1/100,000,000 , note that 100,000,000 = 10⁸ , then:
1/100,000,000 = 1/10⁸
Remember that 1/aⁿ = a⁻ⁿ
Hence 1/100,000,000 = 1/10⁸ = 10⁻⁸
0, because 1/2 = 0.50. therefore .07 is more closer to 0