Advertisements
Advertisements
प्रश्न
(–7)–4 × (–7)2 = (–7)–2
विकल्प
True
False
MCQ
सत्य या असत्य
Advertisements
उत्तर
This statement is True.
Explanation:
LHS = (–7)–4 × (–7)2
Using law of exponents,
am × an = (a)m + n ...[∵ a is non-zero integer]
∴ (–7)–4 × (–7)2 = (–7)–4 + 2
= (–7)–2
LHS = RHS
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Find the value of `1/(3^(-2))`.
Simplify and write the answer in the exponential form.
(25 ÷ 28)5 × 2-5
55 × 5–5 = ______.
The value of `1/4^-2` is equal to 16.
Find the product of the cube of (–2) and the square of (+4).
Find the value of x so that (2–1 + 4–1 + 6–1 + 8–1)x = 1
Use the properties of exponents to verify that statement is true.
25(5n – 2) = 5n
Supply the missing information for diagram.

By what number should (–15)–1 be divided so that the quotient may be equal to (–5)–1?
Find x.
2x + 2x + 2x = 192
