Severe storms — thunderstorms that produce tornadoes, hail at least one inch in diameter, or damaging winds (58 mph or higher) — are destructive and deadly. They cause an average of 200 deaths ...
Standard form close standard formA number between 1 and 10 multiplied by a power of ten, eg 193 in standard form is written as 1·93 × 10², 0·193 in standard form is written as 1·93 ×10⁻¹. It is used ...
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