Advertisements
Advertisements
Question
Simplify: (−147) ÷ (−21)
Advertisements
Solution
(–147) ÷ (–21)
`=(-147)/-21`
`=((-1)xx147)/((-1)xx21)`
`=(-1)/(-1) xx 147/21`
= 7
APPEARS IN
RELATED QUESTIONS
Use the sign of >, < or = in the box to make the statements true.
– 231 + 79 + 51
–399 + 159 + 81
Indicate the following using '+' or '−' sign: Decrease of 9
Write the successor of the following: −99
Divide: 2067 by –1
The successor of −89 is
Fill in the blank using <, = or > :
0 ______ 1
Fill in the blank using <, = or > :
(–2) + (–5) + (–6) ______ (–3) + (–4) + (–6)
If we denote the height of a place above sea level by a positive integer and depth below the sea level by a negative integer, write the following using integers with the appropriate signs:
200 m above sea level
Remembering that 1AD came immediately after 1BC, while solving these problems take 1BC as –1 and 1AD as +1.
- The Greeco-Roman era, when Greece and Rome ruled Egypt started in the year 330 BC and ended in the year 395 AD. How long did this era last?
- Bhaskaracharya was born in the year 1114 AD and died in the year 1185 AD. What was his age when he died?
- Turks ruled Egypt in the year 1517 AD and Queen Nefertis ruled Egypt about 2900 years before the Turks ruled. In what year did she rule?
- Greek mathematician Archimedes lived between 287 BC and 212 BC and Aristotle lived between 380 BC and 322 BC. Who lived during an earlier period?
Which statement accurately describes the number zero in the context of integers?
