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6 results found for "negative base" in Class 10.
(\left\(-\dfrac{1}{2}\right\)^{-3}) का मान क्या होगा?
What is the value of (\left\(-\dfrac{1}{2}\right\)^{-3})?
#polynomials
#negative-exponents
#fractions
#signs
A (,-8,)
B (,8,)
C \(,-\dfrac{1}{8},\)
D \(,\dfrac{1}{8},\)
Explanation opens after your attempt
Step 1
Concept
A negative exponent inverts the fraction, so (\left\(-\dfrac{1}{2}\right\)^{-3}=(-2)3 =-8). In exams, keep the sign of a negative base according to the power.
Step 2
Why this answer is correct
The correct answer is A. (,-8,). A negative exponent inverts the fraction, so (\left\(-\dfrac{1}{2}\right\)^{-3}=(-2)3 =-8). In exams, keep the sign of a negative base according to the power.
Step 3
Exam Tip
ऋणात्मक घात से भिन्न उलटती है, इसलिए (\left\(-\dfrac{1}{2}\right\)^{-3}=(-2)3 =-8)। परीक्षा में negative base का sign power के अनुसार रखें।
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\(-7^2\) का मान क्या है?
What is the value of \(-7^2\)?
#polynomials
#order of operations
#negative sign
A (49)
B (-49)
C (14)
D (-14)
Explanation opens after your attempt
Step 1
Concept
Without parentheses, the exponent is applied first, so (-72 =-\(7^2\)=-49). Use parentheses for a negative base.
Step 2
Why this answer is correct
The correct answer is B. (-49). Without parentheses, the exponent is applied first, so (-72 =-\(7^2\)=-49). Use parentheses for a negative base.
Step 3
Exam Tip
कोष्ठक न होने पर घात पहले लगती है इसलिए (-72 =-\(7^2\)=-49)। ऋण आधार चाहिए तो कोष्ठक लगाएँ।
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((-6)2 ) का मान क्या है?
What is the value of ((-6)2 )?
#polynomials
#negative base
#real numbers
A (36)
B (-36)
C (12)
D (-12)
Explanation opens after your attempt
Step 1
Concept
The whole number ((-6)) is squared, so the answer is (36). Parentheses include the negative sign in the power.
Step 2
Why this answer is correct
The correct answer is A. (36). The whole number ((-6)) is squared, so the answer is (36). Parentheses include the negative sign in the power.
Step 3
Exam Tip
पूरी संख्या ((-6)) का वर्ग लिया गया है इसलिए उत्तर (36) है। कोष्ठक ऋण चिह्न को भी घात में शामिल करता है।
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\(-4^2\) का मान क्या है?
What is the value of \(-4^2\)?
#polynomials
#order of operations
#negative sign
A (16)
B (-16)
C (8)
D (-8)
Explanation opens after your attempt
Step 1
Concept
Without parentheses, the exponent is applied first, so (-42 =-\(4^2\)=-16). Use parentheses for a negative base.
Step 2
Why this answer is correct
The correct answer is B. (-16). Without parentheses, the exponent is applied first, so (-42 =-\(4^2\)=-16). Use parentheses for a negative base.
Step 3
Exam Tip
कोष्ठक न होने पर घात पहले लगती है इसलिए (-42 =-\(4^2\)=-16)। ऋण आधार चाहिए तो कोष्ठक जरूरी है।
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((-5)2 ) का मान क्या है?
What is the value of ((-5)2 )?
#polynomials
#negative base
#real numbers
A (25)
B (-25)
C (10)
D (-10)
Explanation opens after your attempt
Step 1
Concept
The whole number ((-5)) is squared, so the answer is (25). Parentheses include the negative sign.
Step 2
Why this answer is correct
The correct answer is A. (25). The whole number ((-5)) is squared, so the answer is (25). Parentheses include the negative sign.
Step 3
Exam Tip
पूरी संख्या ((-5)) का वर्ग लिया गया है इसलिए उत्तर (25) है। कोष्ठक ऋण चिह्न को भी शामिल करता है।
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((-3)2 ) का मान क्या है?
What is the value of ((-3)2 )?
#polynomials
#real numbers
#negative base
A (9)
B (-9)
C (6)
D (-6)
Explanation opens after your attempt
Step 1
Concept
Here the whole number ((-3)) is squared, so ((-3)2 =9). Parentheses include the negative sign in the power.
Step 2
Why this answer is correct
The correct answer is A. (9). Here the whole number ((-3)) is squared, so ((-3)2 =9). Parentheses include the negative sign in the power.
Step 3
Exam Tip
यहाँ पूरी संख्या ((-3)) का वर्ग है इसलिए ((-3)2 =9)। कोष्ठक ऋण चिह्न को भी घात में शामिल करता है।
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