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Chapter 1: Q10. (page 18)

Evaluate the expression 47.7鈭�12鈰�3

Short Answer

Expert verified

The value of expression 47.7鈭�12鈰�3is11.7

Step by step solution

01

Step-1 – Use the rule of Product

According to the rule of product if there are a ways of doing something and b ways of doing another thing, then there are ways to perform both of these actions

02

Step-2 – Use of Subtraction

Always subtract the smaller number from bigger number in the expression

03

Step-3 – Calculation

To evaluate the expression47.7鈭�12鈰�3 it is needed to multiply 12 by 3 and then subtract result from 47.7

47.7鈭�12鈰�3=47.7鈭�3647.7鈭�12鈰�3=11.7

So, the value of the expression 47.7鈭�12鈰�3is11.7

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Most popular questions from this chapter

Astronauts In 2002, astronauts Carl Walz and Dan Bursch spent 196 days in orbit. How many sunrises did they see?

  1. An astronaut in orbit circles Earth every 90 minutes and sees 16 sunrises each day. Let d be the number of days an astronaut is in orbit. Write a variable expression for the number of sunrises seen in d days.
  2. Identify the value of d for Walz鈥檚 and Bursch鈥檚 2002 space flight.
  3. Find the number of sunrises Walz and Bursch saw

Write the product using an exponent.

10鈭�10鈭�10

Compare and contrast the expressions 2+xand2+3.

Logical Reasoning Describe the pattern shown in the table. Then write a variable expression involving n to complete the table. In the table, the three dots indicate that the pattern continues.

Evaluate the experssion when m=5andn=6
localid="1647947701835" 鈥�m+n
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