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Which out of the following are expressio...

Which out of the following are expressions with numbers only? (a) `y + 3` (b) `(7 xx 20) - 8 z ` (c) `5 (21 - 7 ) + xx 2 ` (d) `5 ` (e) `3 x ` (f) `5 - 5 n ` (g) `(7 xx 20 ) - (5 xx 10 ) - 45 + p`

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To determine which of the given options are expressions with numbers only, we need to identify if each expression contains any variables (letters) or if it consists solely of numbers. Let's analyze each option step by step. ### Step-by-Step Solution: 1. **Option (a): `y + 3`** - This expression contains the variable `y` and the number `3`. - **Conclusion:** Not an expression with numbers only. ...
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