What expression is equivalent to 13-(-21)
2 answers:
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Answer:
(5 square root 2-4 square root 3) (5 square root 2-4 square root 3)
= 98 - 40
Step-by-step explanation:
i) (5 - 4
) × (5√2 - 4√3)
=(5 × 5
) - (5
× 4
) - (4
× 5
) + (4
× 4
)
= 50 - 20 - 20
+ 48
= 98 - 40
Answer:
4,099 and 5,011
Step-by-step explanation:
This problem can be solved by taking options one by one.
Option (1) : 4,099
Digit in ones place = 9
The value of the digit in tens place = 90
. It is correct.
Option (2) : 4,110
Digit in one places = 0
The value of the digit in tens place = 10
It is incorrect.
Option (3) : 5,909
Digit in one places = 9
The value of the digit in tens place = 0
It is again incorrect.
Option (4) : 5,011
Digit in one places = 1
The value of the digit in tens place = 10
. It is correct.
Hence, in option (a) and (d), the he ones place is 1/10 the value of the digit in the tens place.