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Phổ biến Word Problems >

Estimating the sum or hiệu of two numbers written in scientific notation

Lời Giải

E s t ima t in g t h e s u m or d i ff ere n ce o f tw o n u mb ers w r i tt e n in sc i e n t i f i c n o t a t i o n

Lời Giải

x + y

Các bước giải pháp

Represent the number with

x

A.T.Q.:

x + y

Ví dụ phổ biến

Lauren's age is half of Joe's age. Emma is four years older than Joe. The sum of Lauren, Emma, and Joe's age is 234. How old is Joe?Carrie is saving up money to buy a car. Carrie puts 6,000.00 into an account which earns 13% interest, compounded monthly. How much will she have in the account after 7 years?5 more than twice a number Amanda invests 9200 in a new savings account which earns 3.4% annual interest, compounded quarterly. What will be the value of her investment after 4 years? Round to the nearest cent.Ellie has 50 in a savings account.The interest rate is10% per year and is not compounded.How much interest will she earn in 3 years?