3. write in standard form.\na. eight hundred thousand and forty - two\nb. four thousand thirty - two and…

3. write in standard form.\na. eight hundred thousand and forty - two\nb. four thousand thirty - two and forty - five hundredths
Answer
Explanation:
Step1: Identify place - value for a
Eight hundred thousand is 800000, forty - two is 42. Add them together. $800000 + 42=800042$
Step2: Identify place - value for b
Four thousand is 4000, thirty - two is 32, forty - five hundredths is 0.45. Add them together. $4000+32 + 0.45=4032.45$
Answer:
a. 800042 b. 4032.45