Question

50 POINTS AND BRAINLIEST PLS ANSWER FAST AND EXPLAIN YOUR ANSWER!!!!

Answer 1

Answer:

• Part A. 5.85 · 10^40 erg
• Part B. 1.8 ⋅ 10^−2 mm

Step-by-step explanation:

Part A

Multiply the numbers and find the product:

• 3.9 ⋅ 10^33 × 1.55 ⋅ 10^7 =
• 3.9 × 1.5 · 10^(33 + 7) =
• 5.85 · 10^40

Part B

• 1.8 ⋅ 10^2 mm = 1.8·100 mm = 18 cm is too much for the human hair

Therefore more reasonable number is:

• 1.8 ⋅ 10^−2 mm

Answer 2

Answer:

a. 0.48

b102mm

Step-by-step explanation: