9514 1404 393
Answer:
Step-by-step explanation:
Write the power of ten in standard form and do the multiplication.
2.09 × 10^5 = 2.09 × 100,000 = 209,000
9.4387 × 10^4 = 9.4387 × 10,000 = 94,387
1.3 × 10^-3 = 1.3 × 0.001 = 0.0013
a) $410 × £0.72 = £295.20
Answer: 178%
1780/1000 = 178/100
x = ± 3/2
the answer is 0,3