Question

Plsssssssssssssssssssssss help me plsssssssssssssssssssssss please answer both it’s 1234 on both as well

Answer 1

Explanation:

The exponent of 10³ is 3. To multiply a number by 10³, move the decimal point two places to the right:

42.12 × 10³ = 42120.